OpenTechnical

OT-2026-000028483

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, 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-2026-000028483) never changes.

Identity and time

Publication numberOT-2026-000028483 · never reused
Internal UUID01a0ae72-e2f7-7380-bdab-14d9cc28ca61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028483
StatusPUBLIC

Content hashes

Canonical text2bd186c801d57d07f0e89de1708ea5aa08d7a3d45b5a02e49f1b2f312d0426d2
Markdown1e0a8acda0b701fd612438442b3c1b404fd05801d771b534c54bd2bf5722d718
PDF
Publication pageabdf5e255b92550aeeea83bffd43a4ae3ba44dff5f1552c4a3a25a27fb1bc942
Manifest644597579d6f51ac50165bc8578f0fef39664c1972c1ffd60b13f10160fd1558

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
SignatureFdZGOwXQdaWnQiGnZnDvF+FHsHkhxHATu9ISqx7wTjfHxUsv7sj00eE0VhKVBeUxI3ou+ijMtLy0mRa67NrhAw==
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

2026-09-17T11:40:37.996058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028483
observed abdf5e255b92550aeeea83bffd43a4ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:37.975638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028483/manifest.json
observed 644597579d6f51ac50165bc8578f0fef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:37.953579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028483/publication.md
observed 1e0a8acda0b701fd612438442b3c1b40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:37.935705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028483/publication.txt
observed 2bd186c801d57d07f0e89de1708ea5aa...
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.