OT-2026-000073401
Publication integrity record
Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000073401) never changes.
Identity and time
| Publication number | OT-2026-000073401 · never reused |
|---|---|
| Internal UUID | 01a0ae92-efb8-780d-b53f-61b6467b9826 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:20.363042Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000073401 |
| Status | PUBLIC |
Content hashes
| Canonical text | 112e3c8d3fa0a5f2dcf5925b7ce2523287a2173057bb925d46a59617d9aad124 |
|---|---|
| Markdown | 366d2a580f091fdc815de57d4595b5ad27b018d8a391a76a31c4e20cf1411b15 |
| Publication page | f36cd54ab837756b6034957d02b68abd6ec1912fa7f427556f714ee99ff604f0 |
| Manifest | 9100a45e06116f50a00608a9fd81cdcab032b3411e291c93d758c449eaf38bc8 |
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 | ZxNFKWCoxgGVFyzIgj9rtxAxOrsiLx8wktOhMibqrVln9SyoJ8sAurmkg2ezIZztArmQkSRYmJzRtUmZ0iD9CA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-30T04:41:20.075960Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073401observed f36cd54ab837756b6034957d02b68abd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T04:41:20.007246Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073401/manifest.jsonobserved 9100a45e06116f50a00608a9fd81cdca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T04:41:19.932728Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073401/publication.mdobserved 366d2a580f091fdc815de57d4595b5ad...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T04:41:19.826830Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073401/publication.txtobserved 112e3c8d3fa0a5f2dcf5925b7ce25232...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T12:41:29.447595Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073401observed f36cd54ab837756b6034957d02b68abd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T12:41:29.364347Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073401/manifest.jsonobserved 9100a45e06116f50a00608a9fd81cdca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T12:41:29.287729Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073401/publication.mdobserved 366d2a580f091fdc815de57d4595b5ad...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T12:41:29.218243Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073401/publication.txtobserved 112e3c8d3fa0a5f2dcf5925b7ce25232...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 |
|---|