OT-2026-000040717
Publication integrity record
Three cup vacuum gripper, three outlet manifold, single stage ejector, sustained blow-off after 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-2026-000040717) never changes.
Identity and time
| Publication number | OT-2026-000040717 · never reused |
|---|---|
| Internal UUID | 01a0ae79-6d0f-7f05-8fc6-4aeed47683f8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:26:28.516236Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000040717 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1b3ee62d0afe0f531f04867a69b16dee69143e29312027a45f0b0d14da54e99f |
|---|---|
| Markdown | a5c6d965546bce535e83a7d84cae74baa0e27c5a0cc2fd95e8ccd0ed15bf131d |
| Publication page | d536f2bd9d880a67ce5b2f0cd7cb2210bc45d8d16ed76da4ea665493971994d4 |
| Manifest | 761b31deea82f4f8915c0af96317f66a7b26c1725d48ac48e252f75a501f2814 |
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 | RSVedbmFfqY77Y0ftz0PXhEOjwQI2nw1EhRZfOhKs6syF396UOcwLpSBkR77V7FqlTB6ZH1eS2Yl8nNrJP56AQ== |
| 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
| 2026-11-01T04:41:41.950610Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040717observed d536f2bd9d880a67ce5b2f0cd7cb2210...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-01T04:41:41.898738Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040717/manifest.jsonobserved 761b31deea82f4f8915c0af96317f66a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T04:41:41.843358Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040717/publication.mdobserved a5c6d965546bce535e83a7d84cae74ba...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T04:41:41.772048Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040717/publication.txtobserved 1b3ee62d0afe0f531f04867a69b16dee...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T16:41:13.286591Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040717observed d536f2bd9d880a67ce5b2f0cd7cb2210...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T16:41:13.214723Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040717/manifest.jsonobserved 761b31deea82f4f8915c0af96317f66a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T16:41:13.143434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040717/publication.mdobserved a5c6d965546bce535e83a7d84cae74ba...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T16:41:13.051792Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040717/publication.txtobserved 1b3ee62d0afe0f531f04867a69b16dee...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 |
|---|