OT-2026-000033770
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, pump fed, pulsed 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-2026-000033770) never changes.
Identity and time
| Publication number | OT-2026-000033770 · never reused |
|---|---|
| Internal UUID | 01a0ae75-a391-7f86-b0d7-c8666a05a8df · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:22:20.325649Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000033770 |
| Status | PUBLIC |
Content hashes
| Canonical text | 741cad02de1797834099116955be06fe9c93830d38868f6fae8b6861fda5eec2 |
|---|---|
| Markdown | ce52b7f85b369e143c59064a1f0a600a5a1838a9033dc16d61b1c88b2163b58f |
| Publication page | 934ecc5b16a8aaceb4af5ee33c92374be0657b468922ff92af405bd53e741341 |
| Manifest | fda7d9980820b6718d799199fbfd09e8758265bc71b61ac45ed61892148c355e |
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 | 96/cbO1auu+rqDcMXBomW9nY1NL51tcrITcoZTTtTfsiRQpopUeNs/AZ8X0ntuoyKcZZO2+GWmXZ7/mEXKiCCA== |
| 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
| 2026-10-20T12:41:50.703014Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033770observed 934ecc5b16a8aaceb4af5ee33c92374b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T12:41:50.643141Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033770/manifest.jsonobserved fda7d9980820b6718d799199fbfd09e8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T12:41:50.592341Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033770/publication.mdobserved ce52b7f85b369e143c59064a1f0a600a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T12:41:50.476694Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033770/publication.txtobserved 741cad02de1797834099116955be06fe...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T08:41:33.274939Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033770observed 934ecc5b16a8aaceb4af5ee33c92374b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T08:41:33.223005Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033770/manifest.jsonobserved fda7d9980820b6718d799199fbfd09e8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T08:41:33.164584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033770/publication.mdobserved ce52b7f85b369e143c59064a1f0a600a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T08:41:33.083078Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033770/publication.txtobserved 741cad02de1797834099116955be06fe...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 |
|---|