OT-2026-000020981
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down
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-2026-000020981) never changes.
Identity and time
| Publication number | OT-2026-000020981 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e4-7639-8894-742a57346fe7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020981 |
| Status | PUBLIC |
Content hashes
| Canonical text | bc4c4e123c255ecbe91c21ef0688e4469c3d0b232aebc8c34cf6d37e7a481f90 |
|---|---|
| Markdown | cada8bc635c2a1af3e48747223d966ca568da7c483cf7a06173ab875ceff283f |
| Publication page | 02d53de64b3242d9ab3f61ffb404ec16aaac96165225bb79f59c48360cbdbdcc |
| Manifest | a418f7f7609a99dea28876a3c048b4edb0e61341af4481baae815dff3fe05dc7 |
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 | 55bfCWRusEghMYuXogM3q57b+4v8Dm50I2zgp1He93VHiV9QlIN0T9S/tJqDeEbNt5EqaOqozCDuKWUTAf3iDw== |
| 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
| 2026-09-17T11:56:07.781441Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020981observed 02d53de64b3242d9ab3f61ffb404ec16...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:07.762259Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020981/manifest.jsonobserved a418f7f7609a99dea28876a3c048b4ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:07.744103Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020981/publication.mdobserved cada8bc635c2a1af3e48747223d966ca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:07.723311Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020981/publication.txtobserved bc4c4e123c255ecbe91c21ef0688e446...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. |
|---|