OpenTechnical

OT-2026-000089869

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000089869) never changes.

Identity and time

Publication numberOT-2026-000089869 · never reused
Internal UUID01a0ae9c-428d-7d6e-b8ee-9fa766025f48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089869
StatusPUBLIC

Content hashes

Canonical textd44ca8bcc236b3b3ce6df7c1c228b1177b99942d191c037138dcfba5f615f8a3
Markdown7d05018b84481dc2ab976f23a3756dfd393f48515c15b2ef8299bb360fa5d99a
PDF
Publication page211c9c8b85b2e3fb48fa805d041ff43266d17b2f3c2962d3b5c7ffb27f83b47b
Manifest2c6a15d9a157ff6fc333e890ea94c89cb9c5121133fcf677174ed1742a8fcd51

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
SignaturehZSNMnnEGEcxywrZ9Gp8QxAazYCkf5Lqyi+19hLiadpT6m5QVhtLnMUxp37hvs6QpQAsx6XPKDbIXMbqQU7QBQ==
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

2026-09-17T09:45:07.418085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089869
observed 211c9c8b85b2e3fb48fa805d041ff432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:07.399430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089869/manifest.json
observed 2c6a15d9a157ff6fc333e890ea94c89c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:07.380953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089869/publication.md
observed 7d05018b84481dc2ab976f23a3756dfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:07.363217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089869/publication.txt
observed d44ca8bcc236b3b3ce6df7c1c228b117...
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.