OT-2026-000052425
Publication integrity record
Single cup vacuum gripper, common isolation valve, three stage ejector, vented 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-2026-000052425) never changes.
Identity and time
| Publication number | OT-2026-000052425 · never reused |
|---|---|
| Internal UUID | 01a0ae84-5739-7afb-b5ac-e909c808a299 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:23.819394Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052425 |
| Status | PUBLIC |
Content hashes
| Canonical text | db125345d1412cbc7f3abe562f6e35c7e68fa1a2819e127660036c7c19619f0c |
|---|---|
| Markdown | 52f0ccf81f6841056ebf53cfe15ab91f570186afa459f5ef7263ee74070ca19f |
| Publication page | eea3b453922db147539816f98e07e7b9def84e35bd14fcd979d5fd18e3e4ce4e |
| Manifest | be2e7a6485d083fbfa5d5427c25235202ed888b2be6440348735421eb62eeb8f |
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 | w9K8RYiCFSRKf4Hlm9IWB33VLE9gbmszIL6d+P7cLFh3nTnnIs/e0MhVia5IOHmH6o3qu31jGyAJbDNZjcNgCA== |
| 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
| 2026-09-17T10:57:02.505432Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052425observed eea3b453922db147539816f98e07e7b9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:02.487672Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052425/manifest.jsonobserved be2e7a6485d083fbfa5d5427c2523520...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:02.470985Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052425/publication.mdobserved 52f0ccf81f6841056ebf53cfe15ab91f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:02.453002Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052425/publication.txtobserved db125345d1412cbc7f3abe562f6e35c7...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. |
|---|