OT-2026-000027460
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, pump fed, sustained blow-off before set-down
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-2026-000027460) never changes.
Identity and time
| Publication number | OT-2026-000027460 · never reused |
|---|---|
| Internal UUID | 01a0ae72-6998-726b-ae79-7001b34b755a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:48.928538Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000027460 |
| Status | PUBLIC |
Content hashes
| Canonical text | 63c083ebb6677edab1a23064c5854fe9b17140a3bb8c1aecd0c1ed62ab93ce2d |
|---|---|
| Markdown | 8235e0c734ed4012602258fbe8ac03b578a45e5fd9b1bd7888f33a0138b27cd4 |
| Publication page | bfe31d99f671597619877a51f956f9b9637f923813421cc1d2f941ca114051b8 |
| Manifest | 44f45b4c18feaee7087514c3a0de46fac00ad5c7fb141f336030f7149ac6bef9 |
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 | +uTQMj+/TiI42iAJzOh/EOedh56O8xgcVoCerLziSD+JUDWAb3uXEMuMwiaJ84PKTPs7Dt2+bS4jVikC/WARBg== |
| 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
| 2026-10-31T04:41:29.671540Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027460observed bfe31d99f671597619877a51f956f9b9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-31T04:41:29.589055Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027460/manifest.jsonobserved 44f45b4c18feaee7087514c3a0de46fa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T04:41:29.535309Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027460/publication.mdobserved 8235e0c734ed4012602258fbe8ac03b5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-31T04:41:29.446867Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027460/publication.txtobserved 63c083ebb6677edab1a23064c5854fe9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T00:41:37.929936Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027460observed bfe31d99f671597619877a51f956f9b9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T00:41:37.852895Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027460/manifest.jsonobserved 44f45b4c18feaee7087514c3a0de46fa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T00:41:37.744336Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027460/publication.mdobserved 8235e0c734ed4012602258fbe8ac03b5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T00:41:37.637879Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027460/publication.txtobserved 63c083ebb6677edab1a23064c5854fe9...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 |
|---|