OT-2026-000057031
Publication integrity record
Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000057031) never changes.
Identity and time
| Publication number | OT-2026-000057031 · never reused |
|---|---|
| Internal UUID | 01a0ae87-d5b6-72d3-95d7-b77553d3bce3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:12.973410Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057031 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8cf3a271248908c7a5d5dbd5da493751b8db4f7830348fb3241c549106c142ff |
|---|---|
| Markdown | 2b5ccdcb7d6705ca3816cb4a84ba668a921bb16a8072768ccc8d66490a5fa92e |
| Publication page | 722bdee056ac63f8604fa8fd316485703e38ea518bd160a98d8c449803eb6d46 |
| Manifest | ca9ffc792b09bdb5e25e346daa47e371adba70d2fe8aa6ccae8afa7021574c34 |
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 | 61QY2lH2JEAw8Kxeg4gpiR55E+tiiB2lBsI8uUPZXEis+K1TFcF2YtxzlA3gTkK561Af9G4kDJKcuhX9dAXLCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:48:30.739886Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057031observed 722bdee056ac63f8604fa8fd31648570...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:48:30.722424Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057031/manifest.jsonobserved ca9ffc792b09bdb5e25e346daa47e371...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:30.703925Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057031/publication.mdobserved 2b5ccdcb7d6705ca3816cb4a84ba668a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:30.687786Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057031/publication.txtobserved 8cf3a271248908c7a5d5dbd5da493751...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. |
|---|