OT-2026-000090976
Publication integrity record
Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000090976) never changes.
Identity and time
| Publication number | OT-2026-000090976 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c011-793f-95fc-34f0f22eec35 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090976 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8c58380253512e2041c1971a9462bea04e8abf1f71eb6de22d4c0c83a7f736e2 |
|---|---|
| Markdown | b067723b09bafdccdd55e9dff948b99c6cdafbc198458f33d8d766a5984e6e8b |
| Publication page | b1921b641b779a1c18212369b580486860054e3d55a3a2d9cd816c64efea28ed |
| Manifest | 6950f6c5529471909d784ae14bed158e2e0a561212817d26e98d13c2a0ce9e65 |
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 | /2FHYQrtA/GwjQdnstz7/mtsYsDbmf/c7bGuwGom0gFtNmvEds924afdozAxwVh3QbORLqRcMOcjBs/TiDzxAQ== |
| 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
| 2026-10-29T04:23:42.802518Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090976observed b1921b641b779a1c18212369b5804868...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T04:23:42.787170Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090976/manifest.jsonobserved 6950f6c5529471909d784ae14bed158e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:23:42.765855Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090976/publication.mdobserved b067723b09bafdccdd55e9dff948b99c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:23:42.739777Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090976/publication.txtobserved 8c58380253512e2041c1971a9462bea0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:12.157498Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090976observed b1921b641b779a1c18212369b5804868...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:12.139564Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090976/manifest.jsonobserved 6950f6c5529471909d784ae14bed158e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:12.122712Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090976/publication.mdobserved b067723b09bafdccdd55e9dff948b99c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:12.105777Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090976/publication.txtobserved 8c58380253512e2041c1971a9462bea0...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
| 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 |
|---|