OT-2026-000021716
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000021716) never changes.
Identity and time
| Publication number | OT-2026-000021716 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-738d-98c6-b6fb75f7f85c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021716 |
| Status | PUBLIC |
Content hashes
| Canonical text | dea2380cfa5cf79f8c33fa601e0e950169d28c3fd6fa98b67708b6f5edc7d04d |
|---|---|
| Markdown | 678434f99fa0a3fd5cf7762d355a637d43f52b75791e41fd082f10895fbc3d01 |
| Publication page | 72fb370d577c93b61988f7a981e7ad6434d6a7d5dc6d48003b5c89633ab52304 |
| Manifest | 8126f8159eb395ba7c477b57e8bc807914ae95106927314281d56a73e14eabd1 |
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 | gXl903x3inoMLEtJHAzP6XhJwiFrQvJQlKYwB69Z6vv1K+91SD2vvnWKCgeifJnqUiLn6Z0aajTiLssM1OngCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:54:15.377142Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021716observed 72fb370d577c93b61988f7a981e7ad64...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:15.360007Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021716/manifest.jsonobserved 8126f8159eb395ba7c477b57e8bc8079...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:15.340511Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021716/publication.mdobserved 678434f99fa0a3fd5cf7762d355a637d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:15.321888Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021716/publication.txtobserved dea2380cfa5cf79f8c33fa601e0e9501...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. |
|---|