OT-2026-000021895
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000021895) never changes.
Identity and time
| Publication number | OT-2026-000021895 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-7474-b10e-dfa13f9c048e · 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-2026-000021895 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3097627a8bdecef140523083100ce3467c466a8ef7ffd5d5029234d8e2753c17 |
|---|---|
| Markdown | 06ca9409d89ce0cd4301afab3d729dce6442425a6a60b3b1e05d8a7cd3591568 |
| Publication page | d9bcd2203bb11b2c3ed8d1088b2da4ea12e022c70a4514d6b7cf235080ecad5b |
| Manifest | c6157927c50b550ebb276254d3e94ddb7d62067cc1e00ce417f9856e6ffa3b99 |
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 | eOkDV1NyArBlJHAZrUQCP0ORkTPqNJurM4p9YWQeOvHxvw+jaCRfDBuRz9T4WR4RaltQ+0VT6l/IfC8EYa/sCw== |
| 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
| 2026-09-17T11:54:27.823806Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021895observed d9bcd2203bb11b2c3ed8d1088b2da4ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:27.804588Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021895/manifest.jsonobserved c6157927c50b550ebb276254d3e94ddb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:27.786503Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021895/publication.mdobserved 06ca9409d89ce0cd4301afab3d729dce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:27.767455Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021895/publication.txtobserved 3097627a8bdecef140523083100ce346...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. |
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