OT-2026-000012455
Publication integrity record
Four bellows cup vacuum gripper, four zone face, 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-2026-000012455) never changes.
Identity and time
| Publication number | OT-2026-000012455 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-39f7-7a5f-9cfa-b79f6b505d93 · 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-2026-000012455 |
| Status | PUBLIC |
Content hashes
| Canonical text | 854352a924f5772bc9a398b55f2fa84d144758c3a8273b9697aacabc0baa4e4e |
|---|---|
| Markdown | ec15ca2d8bc5d9e77446c675027437e12dd59dfa43bf115c2286fecfdeaaa8a2 |
| Publication page | 1622f5f3b65051d41da2de7385675c973127a960d497a4996b0fe41a3e18c9cb |
| Manifest | 2f364c0f368f749b869c366428296a424eac80879645ccf2c714c709296844c9 |
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 | xB5sogjvz0YgT1MApJ9RuOPvNpVAidKE5SKCLa7JkcS14RGCxj74t9mitqLI/PjHve/CRnvxvcSzsvr1nZm+Cw== |
| 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
| 2026-10-23T12:41:05.569011Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012455observed 1622f5f3b65051d41da2de7385675c97...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T12:41:05.499991Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012455/manifest.jsonobserved 2f364c0f368f749b869c366428296a42...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T12:41:05.424491Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012455/publication.mdobserved ec15ca2d8bc5d9e77446c675027437e1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T12:41:05.356297Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012455/publication.txtobserved 854352a924f5772bc9a398b55f2fa84d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T00:41:32.085156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012455observed 1622f5f3b65051d41da2de7385675c97...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T00:41:32.032225Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012455/manifest.jsonobserved 2f364c0f368f749b869c366428296a42...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T00:41:31.984924Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012455/publication.mdobserved ec15ca2d8bc5d9e77446c675027437e1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T00:41:31.924497Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012455/publication.txtobserved 854352a924f5772bc9a398b55f2fa84d...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 |
|---|