OT-2026-000021644
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000021644) never changes.
Identity and time
| Publication number | OT-2026-000021644 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7605-8c22-80c175b7a1df · 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-2026-000021644 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6f77186c8e7ed82c0009c6de2c952e7ea35ffc687e47659c3022248ea8e3b4be |
|---|---|
| Markdown | 3cfcfbe08cebb85b5d91edbf2c35227f75d881dd4e59168d04adb5d825e71fa7 |
| Publication page | 3e107595f9a58058cfc26eef8068d7ab79aa20faee5b6ceddb85ce0120d55671 |
| Manifest | 4e12cfacc6dd209dab6df648cbc5c8588c656a89fb2e8ebcd2c6b5c7fd85e007 |
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 | x7DZfc7vsMEa0fD+CStJEbBG8uZfSGrQpKoaRXClEYHcVkxiKhqLXfX3SfwXqucjlud2O1DFJ4J4BQrkT+m/Dg== |
| 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
| 2026-09-17T11:54:10.918709Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021644observed 3e107595f9a58058cfc26eef8068d7ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:10.900103Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021644/manifest.jsonobserved 4e12cfacc6dd209dab6df648cbc5c858...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:10.884795Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021644/publication.mdobserved 3cfcfbe08cebb85b5d91edbf2c35227f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:10.868998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021644/publication.txtobserved 6f77186c8e7ed82c0009c6de2c952e7e...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. |
|---|