OT-2026-000057072
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained blow-off 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-2026-000057072) never changes.
Identity and time
| Publication number | OT-2026-000057072 · never reused |
|---|---|
| Internal UUID | 01a0ae87-d5b7-7ec5-8544-ef5acae63fe7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:12.973410Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057072 |
| Status | PUBLIC |
Content hashes
| Canonical text | bf8f49115cc8c90404c8dc5687ebe0e56562dcefd4b9abce946636e2694f4093 |
|---|---|
| Markdown | 6b37120e6cd021613e8c6dc940e8bfe371b9a50ad1042a18528c9bda329cbfcb |
| Publication page | f1143ed8463f2b1d82f775c82960aa3157683bf84f94d32b5530b23b3f2c124b |
| Manifest | 75d73055334c80a08f44007a0a9ab22d980b6e09612a4547f4a8f67b8e93c721 |
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 | PAVCCPeRTgDhe882u+JKIfRlyiCpaoH/M6hbwk6Ni67Z/vFM2YoZLfBaEY9IzIcYEnarqdCGVin7YAIbNIaWDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:48:33.864080Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057072observed f1143ed8463f2b1d82f775c82960aa31...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:48:33.847447Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057072/manifest.jsonobserved 75d73055334c80a08f44007a0a9ab22d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:33.827701Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057072/publication.mdobserved 6b37120e6cd021613e8c6dc940e8bfe3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:33.809145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057072/publication.txtobserved bf8f49115cc8c90404c8dc5687ebe0e5...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. |
|---|