OpenTechnical

OT-2026-000008072

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000008072) never changes.

Identity and time

Publication numberOT-2026-000008072 · never reused
Internal UUID01a0ae6a-908c-7ae3-bfd6-8b294c6a7902 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008072
StatusPUBLIC

Content hashes

Canonical text83801ed0bb672b97d44c6837031b69275b7b8be6767cf627f394870712209155
Markdown6fbdf336b225038a1aeaa2ff3ae77c8553707fdb4c48bfc9f518f0b910d868bc
PDF
Publication pageaa067f4853b472e4648fd161efc6e4b58831a79918be0586840a896071263674
Manifest442a7e78e562db787700e5ee207341acb1ce1e1377818992f1606512f48fa78f

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
SignatureZzhgtEWIMwNIDUKhx3Ta5CKKhYSyS+xvPY7lc7VD/NuVSS3pTFtsjTZkIXtRq3gRsY4FbA4uqJnheOwm82M+DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:40.293555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008072
observed aa067f4853b472e4648fd161efc6e4b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:40.273709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008072/manifest.json
observed 442a7e78e562db787700e5ee207341ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:40.254854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008072/publication.md
observed 6fbdf336b225038a1aeaa2ff3ae77c85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:40.237436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008072/publication.txt
observed 83801ed0bb672b97d44c6837031b6927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.303144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008072
observed aa067f4853b472e4648fd161efc6e4b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.283758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008072/manifest.json
observed 442a7e78e562db787700e5ee207341ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.267374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008072/publication.md
observed 6fbdf336b225038a1aeaa2ff3ae77c85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.250549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008072/publication.txt
observed 83801ed0bb672b97d44c6837031b6927...
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.