OT-2026-000012309
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000012309) never changes.
Identity and time
| Publication number | OT-2026-000012309 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-39f5-74d3-bd33-412caead5a0d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:08.998406Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012309 |
| Status | PUBLIC |
Content hashes
| Canonical text | 496dfacec3b865573db6f948f608585ba37b302428a0181b5f1a7c0784f3cc77 |
|---|---|
| Markdown | 32e4d4c963fa077db95cec0402148def8a55611fc3469308eccdc83cb72b3f9c |
| Publication page | 7a95e00ae028a213c8575f048a9db61e3f34251589be78621b8af587af8e7d24 |
| Manifest | c2374ac89553210161af9e82cbe8516c0d397085367e3dae5b15f52f8bdabedc |
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 | sbf7YE/FHHlJTBLSjgjB+5UnC1xc1qrLAgBqgt1kuNhA7Ay15sMJBOb1CtK8NC0+xhGGKsh2xfjWcNklWg/DAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-11-01T12:41:37.216575Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012309observed 7a95e00ae028a213c8575f048a9db61e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-01T12:41:37.166756Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012309/manifest.jsonobserved c2374ac89553210161af9e82cbe8516c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T12:41:37.093653Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012309/publication.mdobserved 32e4d4c963fa077db95cec0402148def...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T12:41:37.031015Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012309/publication.txtobserved 496dfacec3b865573db6f948f608585b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T16:41:11.635481Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012309observed 7a95e00ae028a213c8575f048a9db61e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T16:41:11.555016Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012309/manifest.jsonobserved c2374ac89553210161af9e82cbe8516c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T16:41:11.475270Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012309/publication.mdobserved 32e4d4c963fa077db95cec0402148def...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T16:41:11.348542Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012309/publication.txtobserved 496dfacec3b865573db6f948f608585b...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 |
|---|