OT-2026-000087977
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000087977) never changes.
Identity and time
| Publication number | OT-2026-000087977 · never reused |
|---|---|
| Internal UUID | 01a0ae9b-1aa6-7859-bddf-5d4b88e72b3d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:03:15.638297Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000087977 |
| Status | PUBLIC |
Content hashes
| Canonical text | ccc8dbb60db8485ea635c543d022b7cf7e533f2c69facb1cef7a8500ad3d7512 |
|---|---|
| Markdown | 5d8c1be2c070942dfcc9591d2253ab1272bacc2799ed950f6a45674dd4623ea6 |
| Publication page | bcf893771ffac8862589774157f5bfc60a654d0e1d78a4d6ab36903b76005b6f |
| Manifest | 4e6225c87deccb5491b02c6f213dda000f4ad13a47132689c4b900cbeb3649a3 |
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 | 1RbDN6Xhm/2PRVJp1aO1eczckwow3mBt0e8fkPjzy3I0m9aOpej0QSXjGJAj2klCSUdsgKhr+ju3xT/fkkeDDQ== |
| 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
| 2026-09-17T09:49:16.452635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087977observed bcf893771ffac8862589774157f5bfc6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:49:16.434370Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087977/manifest.jsonobserved 4e6225c87deccb5491b02c6f213dda00...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:49:16.415955Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087977/publication.mdobserved 5d8c1be2c070942dfcc9591d2253ab12...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:49:16.397011Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087977/publication.txtobserved ccc8dbb60db8485ea635c543d022b7cf...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. |
|---|