OT-2026-000029699
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000029699) never changes.
Identity and time
| Publication number | OT-2026-000029699 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e23-7436-88a3-a2769c2f3307 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:51.545382Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029699 |
| Status | PUBLIC |
Content hashes
| Canonical text | a05d973b4064c3d145e16398a99d4d369595c0e34cff13975a4573d95af97395 |
|---|---|
| Markdown | 017b9e502b8f0c36e931cb106a5b22cb0a29858c9b88052ba1ebfa9799949774 |
| Publication page | 84438271eb67707cef4fa0955fa0855a3c3fd29b888cd1502eaf12462bd6bc6c |
| Manifest | 6f346ed3a9f07625bd2f5d1429c337b0636d37491c264a3d8802443ce27060d5 |
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 | KJwpF2uJHJYkp9u0s/4rffU770adT3lthhQHJrZl31LjTj+qsVa5c1jLN1guM4hXusGBaQl/95RcCsYZ2QCYBQ== |
| 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
| 2026-10-17T04:41:35.408614Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029699observed 84438271eb67707cef4fa0955fa0855a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-17T04:41:35.330364Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029699/manifest.jsonobserved 6f346ed3a9f07625bd2f5d1429c337b0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:41:35.251747Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029699/publication.mdobserved 017b9e502b8f0c36e931cb106a5b22cb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:41:35.130081Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029699/publication.txtobserved a05d973b4064c3d145e16398a99d4d36...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T20:41:27.881767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029699observed 84438271eb67707cef4fa0955fa0855a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T20:41:27.826264Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029699/manifest.jsonobserved 6f346ed3a9f07625bd2f5d1429c337b0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T20:41:27.726083Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029699/publication.mdobserved 017b9e502b8f0c36e931cb106a5b22cb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T20:41:27.671301Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029699/publication.txtobserved a05d973b4064c3d145e16398a99d4d36...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 |
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