OT-2026-000077655
Publication integrity record
Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, 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-2026-000077655) never changes.
Identity and time
| Publication number | OT-2026-000077655 · never reused |
|---|---|
| Internal UUID | 01a0ae95-2ecf-72b8-bd34-cfd1697b170f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:47.703064Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077655 |
| Status | PUBLIC |
Content hashes
| Canonical text | d70e50fd81007471f2aa2ec63b474394ae175af3dc0b4197588b394e25b65b48 |
|---|---|
| Markdown | 13f17d5ac312123e8ecda50f90d79bd09149b127bce5725e5f92a3e7a11aebd9 |
| Publication page | 04128ebe36f882fd9f68aa65e7471cad37240c24e4b34c0c8e1a8f582fbf9084 |
| Manifest | c65ed9dd0160fc079f74a3ce6d585538b73668463d29a161a23de6df7d4816c6 |
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 | EzSdwhLthhRvZM42YpFeJcrtg1BlJiN79WhGkHzv0T+eH7Fp1hlLSlhHEsRMfcnXSo1fo4SSNaWJMjaSqBm7BA== |
| 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... |
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Independent retrieval
| 2026-10-27T00:41:08.443614Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077655observed 04128ebe36f882fd9f68aa65e7471cad...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-27T00:41:08.377491Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077655/manifest.jsonobserved c65ed9dd0160fc079f74a3ce6d585538...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T00:41:08.280522Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077655/publication.mdobserved 13f17d5ac312123e8ecda50f90d79bd0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T00:41:08.141767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077655/publication.txtobserved d70e50fd81007471f2aa2ec63b474394...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:12.387631Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077655observed 04128ebe36f882fd9f68aa65e7471cad...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:12.302742Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077655/manifest.jsonobserved c65ed9dd0160fc079f74a3ce6d585538...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:12.227710Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077655/publication.mdobserved 13f17d5ac312123e8ecda50f90d79bd0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T12:41:11.945577Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077655/publication.txtobserved d70e50fd81007471f2aa2ec63b474394...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 |
|---|