OT-2026-000061557
Publication integrity record
Two cup vacuum gripper, two outlet manifold, two stage ejector, vented 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-2026-000061557) never changes.
Identity and time
| Publication number | OT-2026-000061557 · never reused |
|---|---|
| Internal UUID | 01a0ae8b-7b44-73fa-a8fa-1833ca624bd4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:46:11.808334Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000061557 |
| Status | PUBLIC |
Content hashes
| Canonical text | b9d5d74b47bc9874da160f8b63bda910bad2e94ae33c7f06ab475f5c5ab54f94 |
|---|---|
| Markdown | 122e299389b001879936b925b13692e7cd23c9fd296a59e7fcf7b681e358793e |
| Publication page | 061474d48da08b5d4d1da89d573d133d29831f91b3157d558ed012489e25993a |
| Manifest | fd9633c96d4027d3861087efad608b1dd99efc2d873219f99c32ca890d18084b |
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 | MxhNw3nLfFi1p0WvjrUL7Vsb7+20PoBHiJ22ee8MXTIIjdU5tFo11HEIAfF3oNhs7p1tFwwN21BbK8CLskrwAQ== |
| 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... |
|---|
Independent retrieval
| 2026-10-20T12:41:27.022754Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061557observed 061474d48da08b5d4d1da89d573d133d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T12:41:26.949279Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061557/manifest.jsonobserved fd9633c96d4027d3861087efad608b1d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T12:41:26.874150Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061557/publication.mdobserved 122e299389b001879936b925b13692e7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T12:41:26.647126Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061557/publication.txtobserved b9d5d74b47bc9874da160f8b63bda910...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:09.321408Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061557observed 061474d48da08b5d4d1da89d573d133d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:09.270709Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061557/manifest.jsonobserved fd9633c96d4027d3861087efad608b1d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:09.195444Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061557/publication.mdobserved 122e299389b001879936b925b13692e7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:09.132346Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061557/publication.txtobserved b9d5d74b47bc9874da160f8b63bda910...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|