OT-2026-000021771
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000021771) never changes.
Identity and time
| Publication number | OT-2026-000021771 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7874-824a-f335f1c09980 · 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-2026-000021771 |
| Status | PUBLIC |
Content hashes
| Canonical text | 00cc0b8226033c4d9c3ce5b8e6e2cc2c1a22001b04d73fe4e9a531ddd97cf9de |
|---|---|
| Markdown | 76163e1b5250dcebe05d01565274c88b5a01214c0b59eb5d3f15f550ba8da8c3 |
| Publication page | c5917286bf86b66668ed35612081ab779a909e91106889d4098c559bb44cafa3 |
| Manifest | 6a8e45f842fb6ca35ebf5e33f09e0c88510e1ffda9b36bfcc0e27fd6e985a638 |
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 | YvA5GZ5RU+0UHP4Z+bPSlqGm22aaAwkQOmmZREKaH5/yhkS49/+Ox1i4DsA/OQf44dpgrzXJVD9gqMrhz+JdAQ== |
| 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
| 2026-09-17T11:54:06.751432Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021771observed c5917286bf86b66668ed35612081ab77...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:06.734287Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021771/manifest.jsonobserved 6a8e45f842fb6ca35ebf5e33f09e0c88...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:06.715797Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021771/publication.mdobserved 76163e1b5250dcebe05d01565274c88b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:06.696654Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021771/publication.txtobserved 00cc0b8226033c4d9c3ce5b8e6e2cc2c...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. |
|---|