OT-2026-000020669
Publication integrity record
Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold 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-2026-000020669) never changes.
Identity and time
| Publication number | OT-2026-000020669 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e2-757a-b08c-797e29328056 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020669 |
| Status | PUBLIC |
Content hashes
| Canonical text | 31e28664c11e8ceba231caafa7185c5dff315813195a27fcf56c16cf3e8450d6 |
|---|---|
| Markdown | e9a1934535c2653f1d1d67c244cb35fefc7e254960bb14ca2ff5f9818fcfc100 |
| Publication page | 220d78cee9e307782830e2a8dcf43908919c1104bb28f6eecc9a8df50345f216 |
| Manifest | daf6e635f985667c0ffde3f7a63e39db647c14871f7a2a37756bf730966cb67e |
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 | zrflDhHHDNBST6eHa7DtGiNPvS7fxi+Zvp/nqtofKfpmEosY/Nmzj4o93t8165UukuVbsifY7aALH/nYaT1+Bw== |
| 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
| 2026-09-17T11:55:37.668037Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020669observed 220d78cee9e307782830e2a8dcf43908...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:37.649516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020669/manifest.jsonobserved daf6e635f985667c0ffde3f7a63e39db...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:37.631250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020669/publication.mdobserved e9a1934535c2653f1d1d67c244cb35fe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:37.612425Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020669/publication.txtobserved 31e28664c11e8ceba231caafa7185c5d...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. |
|---|