OpenTechnical

OT-2026-000067683

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000067683) never changes.

Identity and time

Publication numberOT-2026-000067683 · never reused
Internal UUID01a0ae8f-6bdb-75b7-b8fe-2261338a0e82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067683
StatusPUBLIC

Content hashes

Canonical text6aec1fa026e89e87e1995dc8e21d6abf636571c52a6b2352a8569efc866e727d
Markdown370d485e7344a84fffd6d21c54a41f23043cca4354d08feaab8ecc8e5ecae7af
PDF
Publication pagec5b46f54dca3ae34a00ceb94bf4ef05d56a27557136f06b0ff48e74b9d96a0ea
Manifest9b1e9a08113d042efe92de88254266cfbe2ee8015364d14fa6b34c88cef40726

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
Signature+4vjYWj8aXkFtd+3ai84agyAOu/yuarBjCyk61isxSriI1iYlOrhb6Yii6wYj7u97kq/qJ9crTOReSXV44iJDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:01.294986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067683
observed c5b46f54dca3ae34a00ceb94bf4ef05d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:01.276379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067683/manifest.json
observed 9b1e9a08113d042efe92de88254266cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:01.258123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067683/publication.md
observed 370d485e7344a84fffd6d21c54a41f23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:01.241873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067683/publication.txt
observed 6aec1fa026e89e87e1995dc8e21d6abf...
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.