OpenTechnical

OT-2026-000025647

Publication integrity record

Foam pad vacuum gripper, two zone face, six 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-2026-000025647) never changes.

Identity and time

Publication numberOT-2026-000025647 · never reused
Internal UUID01a0ae71-9bc9-713d-be1f-f1d57f7e82a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025647
StatusPUBLIC

Content hashes

Canonical text14c18859f7fe82469f1d360e78ca4dbaedd8f84e9f314dfdc1f6c489baafee11
Markdown812b2ad10e8845dfbfd0f1b421b8a5b889d9745fae387a2acdc2ef295321aa46
PDF
Publication page9fc1cb5fc09ac86eafaf3d1d9b31a812e7a41c0772c3d11a7a6d39cdce992222
Manifestf364cc17cdbcb8a9dd8c041794c4618486a5ce02683ebec6cbaf466372aff4b9

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureaX1EdGntldlby2XT4UF5w5BwGeo5xhKJEZgoSCXV3BhWM+tGq2BffE5nK/J/unAs6nS8HPk3+WdmZoUX9GJIBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:50.988094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025647
observed 9fc1cb5fc09ac86eafaf3d1d9b31a812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:50.969363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025647/manifest.json
observed f364cc17cdbcb8a9dd8c041794c46184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:50.949990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025647/publication.md
observed 812b2ad10e8845dfbfd0f1b421b8a5b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:50.931194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025647/publication.txt
observed 14c18859f7fe82469f1d360e78ca4dba...
fetched by instance-3.rotem.ai from 34.69.0.72, 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 archivePending 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

Custody packagePending Custody packages are produced weekly.