OT-2026-000029538
Publication integrity record
Six pad foam vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000029538) never changes.
Identity and time
| Publication number | OT-2026-000029538 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e21-7384-b784-2aa81c6e3fb4 · 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-2026-000029538 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3a814fcb89c9401c43a26f7c44a82a7e5fbce840baaed63dce54b489f26b294d |
|---|---|
| Markdown | 16d02f2da3723ad09d21bc765c6309a2b9238ec4172f96d2fffebbc20e34dd8b |
| Publication page | 7a1dfb1b770a543bcafd73e3c89731bfcb691d3411fde736549d14eda8db94cd |
| Manifest | 96ed4ed64a0c0950870545c46dd5c6232e43683121d49b904ff638be8f57f885 |
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 | iSD+y8XMXZZvfFjrk31bG2xOD5c+1m4LWTPG5hCZLC7lC/aJNDK+Wu+VjZtSNYl4TOT7LKXHX+E+48+LNDRFBg== |
| 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
| 2026-10-26T16:41:55.483493Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029538observed 7a1dfb1b770a543bcafd73e3c89731bf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T16:41:55.368222Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029538/manifest.jsonobserved 96ed4ed64a0c0950870545c46dd5c623...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T16:41:55.269464Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029538/publication.mdobserved 16d02f2da3723ad09d21bc765c6309a2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T16:41:55.164126Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029538/publication.txtobserved 3a814fcb89c9401c43a26f7c44a82a7e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:50.404350Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029538observed 7a1dfb1b770a543bcafd73e3c89731bf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:50.330750Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029538/manifest.jsonobserved 96ed4ed64a0c0950870545c46dd5c623...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:50.259574Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029538/publication.mdobserved 16d02f2da3723ad09d21bc765c6309a2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:50.176078Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029538/publication.txtobserved 3a814fcb89c9401c43a26f7c44a82a7e...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 |
|---|