OT-2026-000090729
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000090729) never changes.
Identity and time
| Publication number | OT-2026-000090729 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f31-715a-8631-26815af8cdd5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090729 |
| Status | PUBLIC |
Content hashes
| Canonical text | a1745c563b5672daf389a48a165843edd0289107adf2c771b58ef2f23630cfee |
|---|---|
| Markdown | 66382de7212843cc077245c72981f58866bfd6afba46c61781ef6dd9e19c2fab |
| Publication page | 453bb2e548fcb90e5f6f71540363c2af694ac49462bd6f343a7712e9e89bbe44 |
| Manifest | d299d214412127cc7bc5101b02d114064aef45677fc97cc2e3a21b0bbd43b521 |
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 | ibzkB+epbBX8Kp/GpyoZh4rCsJA3cctcqmWMLJT3GWQeo0Yt4upbimBM/iMh5qL+Mt5fW2SgmxCT2/dV9At8DQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:23.133449Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090729observed 453bb2e548fcb90e5f6f71540363c2af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:23.116286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090729/manifest.jsonobserved d299d214412127cc7bc5101b02d11406...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:23.097407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090729/publication.mdobserved 66382de7212843cc077245c72981f588...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:23.079284Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090729/publication.txtobserved a1745c563b5672daf389a48a165843ed...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|