OT-2026-000013177
Publication integrity record
Three cup vacuum gripper, three outlet manifold, three 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-2026-000013177) never changes.
Identity and time
| Publication number | OT-2026-000013177 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-6fc8-72e8-9be7-527c6c5685c1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:22.837188Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013177 |
| Status | PUBLIC |
Content hashes
| Canonical text | d67684f22778a55af1289bd9f9569ad0ea23fe580b90c188b3b595e256d6f457 |
|---|---|
| Markdown | 8bdfa0969896465b078596c836cde9273fdc5d0c9bdc2220ba5353069b7df37c |
| Publication page | 233c4697f6356cab0c352b4730ab7086beefc3446b7c0570a2daa1276f86de14 |
| Manifest | dd02fdb7d370e244065aab5e47ac42d549a5be9060efb593f1ad5ecd119db610 |
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 | z//d9k7RHg2vWiRZwjXzjHeSPFEizKGGvhVYML6edDuHVx27s0WrdP8TqqCPCZ/MwcMbzP+kiRFad9kfNs3QAA== |
| 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
| 2026-11-01T12:41:10.009706Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013177observed 233c4697f6356cab0c352b4730ab7086...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-01T12:41:09.962198Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013177/manifest.jsonobserved dd02fdb7d370e244065aab5e47ac42d5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T12:41:09.895270Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013177/publication.mdobserved 8bdfa0969896465b078596c836cde927...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T12:41:09.812235Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013177/publication.txtobserved d67684f22778a55af1289bd9f9569ad0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T04:42:27.858803Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013177observed 233c4697f6356cab0c352b4730ab7086...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T04:42:27.706722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013177/manifest.jsonobserved dd02fdb7d370e244065aab5e47ac42d5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T04:42:27.578546Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013177/publication.mdobserved 8bdfa0969896465b078596c836cde927...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T04:42:27.289660Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013177/publication.txtobserved d67684f22778a55af1289bd9f9569ad0...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 |
|---|