OpenTechnical

OT-2026-000089322

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000089322) never changes.

Identity and time

Publication numberOT-2026-000089322 · never reused
Internal UUID01a0ae9b-db01-7b04-9087-8dfcba8b6b0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089322
StatusPUBLIC

Content hashes

Canonical text9c2a3e4e22f9b897a74492bf2b39a42cc673298f8845a36df081cc3720f72467
Markdown38d63574662bfa781b592e11e2eadf8077eec1114793cc961d30bcb8d9505bf0
PDF
Publication page7797b7389c202db8587f7e4b6e44a0fe2b771d1e295dce8d8bb0f7a39d9ec286
Manifest5b20a1eaddbcde1cbeb198bf193ebbcc450aaa84af755bb6e0736ee4c8e46d6f

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
SignaturexuVHrFA/HvhKTcGu8iomwJDDqlXLGNqzVOr5yKE8fHwYfLiQXN+7SYFeRLaOWYlhZRZP0yXD8hv0xaDh1ncoBw==
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

2026-09-17T09:47:22.435660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089322
observed 7797b7389c202db8587f7e4b6e44a0fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.418352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089322/manifest.json
observed 5b20a1eaddbcde1cbeb198bf193ebbcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.403361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089322/publication.md
observed 38d63574662bfa781b592e11e2eadf80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.387564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089322/publication.txt
observed 9c2a3e4e22f9b897a74492bf2b39a42c...
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.