OT-2026-000073489
Publication integrity record
Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000073489) never changes.
Identity and time
| Publication number | OT-2026-000073489 · never reused |
|---|---|
| Internal UUID | 01a0ae92-efb9-797b-9b2e-f583f1b1c3b3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:20.363042Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000073489 |
| Status | PUBLIC |
Content hashes
| Canonical text | 89dd586533cbe87dd918b84dc84646e304b9e0b0ac71285cae88936dabc699f3 |
|---|---|
| Markdown | 099e36c4f6424ce734e71dcca3d80f606cc998233448e754edef8cdfce6f8a47 |
| Publication page | 88dfed8c7cf7d9abd72f5c011c2ed2466f022fce6965f5d6e40c696ecdee3ee2 |
| Manifest | 71fccb97e1cc547f74ed0a71f584756a3526a6ed03cc2ed2f23af82affd5cf3e |
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 | tJcNd3sryEpjHJBVza6E0+OrzBPdlCS47LktLTauTobZLa8Hq24pR5ntGUeeSc98wHRqDyvsJ6B0yxrg0aXZCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:21:39.576794Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073489observed 88dfed8c7cf7d9abd72f5c011c2ed246...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:21:39.558791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073489/manifest.jsonobserved 71fccb97e1cc547f74ed0a71f584756a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:21:39.541686Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073489/publication.mdobserved 099e36c4f6424ce734e71dcca3d80f60...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:21:39.524834Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073489/publication.txtobserved 89dd586533cbe87dd918b84dc84646e3...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. |
|---|