OT-2026-000017275
Publication integrity record
Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000017275) never changes.
Identity and time
| Publication number | OT-2026-000017275 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-76c8-7a6e-9546-25905064f98d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:30.105855Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000017275 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6a2e54c3d469d8592d148238f7b18b2efe799ec327d73baf29cd37116c2d6cd1 |
|---|---|
| Markdown | df91d0db0379bf3bc67b84d398199a7b342747a090049498386aaa11abc9b415 |
| Publication page | 204d59ff0763372f6327dc7394585ef965ab833028dc0449954ef67afe129fba |
| Manifest | 2a5de9e53a1e9cca546cc218d47122961e6f037470f65348fe19ca103906ae2d |
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 | MSyb9mPzhBADY9mhqShzDJeSa9F7rRjM+txkipRk8I+RnYjDzOLK4jFkv96WDXSP2lrNpp7Vx02msg9Op+cCDg== |
| 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... |
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Independent retrieval
| 2026-10-16T00:41:28.840774Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017275observed 204d59ff0763372f6327dc7394585ef9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-16T00:41:28.706404Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017275/manifest.jsonobserved 2a5de9e53a1e9cca546cc218d4712296...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T00:41:28.563349Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017275/publication.mdobserved df91d0db0379bf3bc67b84d398199a7b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T00:41:28.366813Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017275/publication.txtobserved 6a2e54c3d469d8592d148238f7b18b2e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T08:42:17.366996Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017275observed 204d59ff0763372f6327dc7394585ef9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T08:42:17.282526Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017275/manifest.jsonobserved 2a5de9e53a1e9cca546cc218d4712296...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T08:42:17.180946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017275/publication.mdobserved df91d0db0379bf3bc67b84d398199a7b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T08:42:17.051739Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017275/publication.txtobserved 6a2e54c3d469d8592d148238f7b18b2e...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 |
|---|