OT-2026-000055975
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000055975) never changes.
Identity and time
| Publication number | OT-2026-000055975 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4a-76c3-97c8-305ab9a79b3d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055975 |
| Status | PUBLIC |
Content hashes
| Canonical text | 28ae6f881124014591facc1e1a101fc493c796e4071a693ce7090db1f47a6f87 |
|---|---|
| Markdown | c1446be2198ff1f00d47d72539762255c8682b8e42e7935e2408ec6e1568c85e |
| Publication page | 0335bfa8f97ac277c9fdc4f0a8d700d7a510176903116b3e7998b097e64d368a |
| Manifest | e0fcb11e4b4e3d61027daffc5c2d4d47950b0c3bfbf6b251865be193ffda99ee |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | MVTIjWrYjKtb6nIpjPvnoH5H6JgXT0vaMvn6WwgXnro1g4KvmZzltQLuBNPqWwTIVJRdPdLnDuzvwXq1FBw5Aw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-11-06T12:42:04.183586Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055975observed 0335bfa8f97ac277c9fdc4f0a8d700d7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 136.114.173.71 |
|---|---|
| 2026-11-06T12:42:04.105365Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055975/manifest.jsonobserved e0fcb11e4b4e3d61027daffc5c2d4d47...fetched by grabo-systems from 34.44.131.203, which resolved the name to 136.114.173.71 |
| 2026-11-06T12:42:04.024601Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055975/publication.mdobserved c1446be2198ff1f00d47d72539762255...fetched by grabo-systems from 34.44.131.203, which resolved the name to 136.114.173.71 |
| 2026-11-06T12:42:03.914277Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055975/publication.txtobserved 28ae6f881124014591facc1e1a101fc4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 136.114.173.71 |
| 2026-10-31T00:41:30.296337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055975observed 0335bfa8f97ac277c9fdc4f0a8d700d7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T00:41:30.227161Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055975/manifest.jsonobserved e0fcb11e4b4e3d61027daffc5c2d4d47...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T00:41:30.153687Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055975/publication.mdobserved c1446be2198ff1f00d47d72539762255...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T00:41:30.071955Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055975/publication.txtobserved 28ae6f881124014591facc1e1a101fc4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|