OpenTechnical

OT-2026-000091854

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091854) never changes.

Identity and time

Publication numberOT-2026-000091854 · never reused
Internal UUID01a0ae9d-43ba-7448-95c3-bce259573286 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091854
StatusPUBLIC

Content hashes

Canonical textd0d9f9f2fcdf8133f38bc850b61fb8714ffff6634c545d549a089aea73beda56
Markdownfe443ec6d68875b02cf743cd2b50839e23cebc98315faad70491a22246734abc
PDF
Publication page0ae379b69d6669d419efc86e35277682c75d5d21bb886432e885f396fdfb800d
Manifest25a88ba6c024f0c8b6a7ec1590c36bd715ed4f54130ce5483126589b60de5eaa

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/Z2mHxJ5l27rDdwZTxaPHcvd5WRRwNxTUTK8YKgKFaQbzjiRdsMHN5sqJrPRpsfj8BY0T8SUGTx8Jiqt3QleDQ==
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

2026-09-17T09:42:46.708268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091854
observed 0ae379b69d6669d419efc86e35277682...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.691488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091854/manifest.json
observed 25a88ba6c024f0c8b6a7ec1590c36bd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.675411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091854/publication.md
observed fe443ec6d68875b02cf743cd2b50839e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.659376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091854/publication.txt
observed d0d9f9f2fcdf8133f38bc850b61fb871...
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.