OT-2026-000054643
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, 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-2026-000054643) never changes.
Identity and time
| Publication number | OT-2026-000054643 · never reused |
|---|---|
| Internal UUID | 01a0ae86-1284-7305-be8d-42b7213e5b78 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:17.489937Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054643 |
| Status | PUBLIC |
Content hashes
| Canonical text | fe89230f668a893e25de733b5b1fb378feb4a2999be63b1f6fcafac5ca0d3725 |
|---|---|
| Markdown | f4202cca6fe926f9d7ab7db0ccf9b4ab195cf8750c7ee4047b9e3668c15158e0 |
| Publication page | 4b80716b2b92316abdb632094c3254b35f5f109038a7b020f06f3e002b904663 |
| Manifest | cfa2f065e63a139ff40b935a6631a52fab85364a6192ec7f00ed5293aeeb1926 |
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 | gyTM5m2ClfWvcDWkSlNxszO9RiCTl1r+bwZS1tb7raptsvLqKR4G13ZqT3f3ec1FUDZ5eH6SIs1flVZfW8WHBw== |
| 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
| 2026-09-17T10:53:42.556786Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054643observed 4b80716b2b92316abdb632094c3254b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:53:42.537939Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054643/manifest.jsonobserved cfa2f065e63a139ff40b935a6631a52f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:42.518128Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054643/publication.mdobserved f4202cca6fe926f9d7ab7db0ccf9b4ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:42.500596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054643/publication.txtobserved fe89230f668a893e25de733b5b1fb378...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. |
|---|