OT-2026-000029755
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, three 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-2026-000029755) never changes.
Identity and time
| Publication number | OT-2026-000029755 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e24-76ae-9374-c6f1ff34ab49 · 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-2026-000029755 |
| Status | PUBLIC |
Content hashes
| Canonical text | e4d6b5ab72958423ab0c62f7f77575ea994f8be47bb25795c4b664371b09424a |
|---|---|
| Markdown | 0a49c772fc2925a0e3d43d34a331854b0e38394aaa2f5c1724240db70a7acfae |
| Publication page | 79d56d7f803eb3a62cd43e28d1679d44f1f0f40c22eb7f49d95f277410669895 |
| Manifest | a31e9dde79be499ad3e78334724f7dc71faf4eacfd14ef82dd067ad60a05b2f2 |
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 | P6mq1X+WHWKParpF842166tOriLeULNK7jsv52INwwKlScXIpBlPc/PRF40ILE4C1Za6q0yFR4U61aeNMdCjCw== |
| 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
| 2026-10-27T00:41:37.943783Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029755observed 79d56d7f803eb3a62cd43e28d1679d44...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-27T00:41:37.864069Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029755/manifest.jsonobserved a31e9dde79be499ad3e78334724f7dc7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T00:41:37.790024Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029755/publication.mdobserved 0a49c772fc2925a0e3d43d34a331854b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T00:41:37.716574Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029755/publication.txtobserved e4d6b5ab72958423ab0c62f7f77575ea...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T16:41:39.888357Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029755observed 79d56d7f803eb3a62cd43e28d1679d44...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T16:41:39.816569Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029755/manifest.jsonobserved a31e9dde79be499ad3e78334724f7dc7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T16:41:39.743736Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029755/publication.mdobserved 0a49c772fc2925a0e3d43d34a331854b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T16:41:39.665017Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029755/publication.txtobserved e4d6b5ab72958423ab0c62f7f77575ea...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 |
|---|