OT-2026-000011407
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, vented after 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-2026-000011407) never changes.
Identity and time
| Publication number | OT-2026-000011407 · never reused |
|---|---|
| Internal UUID | 01a0ae6c-88fe-70d2-855f-ab3c79e37bdd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:12:23.703080Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000011407 |
| Status | PUBLIC |
Content hashes
| Canonical text | fec3da9773e81dea7f4ec4ac0109333ef789e10ee10c37a83b14f0c2f067c97c |
|---|---|
| Markdown | c028065bef8ec8587d2cc729a6a3e22e47efded0c0ea96d4e63609c213e58895 |
| Publication page | cc666fd029be4adfec8eec74faac14a664c8bde81bc3fc8f195544e96cb37e01 |
| Manifest | 7a8b918ff7744c0d79d579dde6a50e9aec4ab4734b3e3bb1c32667d96149ae94 |
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 | ZXP3ZcrD5Hwrn+I57iDEHLHrJSrHViGeMX2IVPYK/5rlcbQw5/jS5BzeGtcwVWNLdzP/2PATpVJSqKymRCpODQ== |
| 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
| 2026-09-17T12:13:09.439214Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011407observed cc666fd029be4adfec8eec74faac14a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:13:09.420574Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011407/manifest.jsonobserved 7a8b918ff7744c0d79d579dde6a50e9a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:13:09.404243Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011407/publication.mdobserved c028065bef8ec8587d2cc729a6a3e22e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:13:09.386640Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011407/publication.txtobserved fec3da9773e81dea7f4ec4ac0109333e...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. |
|---|