OT-2026-000028287
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, single 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-2026-000028287) never changes.
Identity and time
| Publication number | OT-2026-000028287 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-7fc7-8303-108e26a8b53d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028287 |
| Status | PUBLIC |
Content hashes
| Canonical text | 82a68d2382af2b5936c6bd049f8f30f298e92b6c9dfae1c7fa7b68c39728d8a7 |
|---|---|
| Markdown | c05f663aa66be3f0f656090ff41f2595945d97b8d9ca6482683b593bab1c264a |
| Publication page | 15ec4f0965172134cc357fd28d2a82be83ce7b22008e0da33e55239df11b730c |
| Manifest | a8ffeb40e4804039787efb14de1db9b3cfb37a296428d4eeaf898e65fc54ddc3 |
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 | Ev2UZ7u8OFu4n5J8KVrFWxMsP98O313b47LkL8zI9orGuuiyN28LdVLz0m34cc0nP9PX9WtqzIDbDejTarK9Dw== |
| 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
| 2026-09-17T11:40:10.002875Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028287observed 15ec4f0965172134cc357fd28d2a82be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:09.982972Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028287/manifest.jsonobserved a8ffeb40e4804039787efb14de1db9b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:09.961595Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028287/publication.mdobserved c05f663aa66be3f0f656090ff41f2595...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:09.943353Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028287/publication.txtobserved 82a68d2382af2b5936c6bd049f8f30f2...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. |
|---|