OpenTechnical

OT-2026-000091601

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single 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-2026-000091601) never changes.

Identity and time

Publication numberOT-2026-000091601 · never reused
Internal UUID01a0ae9d-43b8-78fe-8622-f7d25c31f65e · 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-2026-000091601
StatusPUBLIC

Content hashes

Canonical texte47e8b72078e6e4caf72aec8b443c69541a7bb87a0967d6df3fb5a44293bc804
Markdown14b51517ea79f1a7a2ebc2c5a2167b8b58db787514d1961d22adfdc10ba43dc5
PDF
Publication page033e2c6205b84e884a559dac55a97afeb4ca8cb6707a99b2aa723e7289ae2bd8
Manifestb7158739566b6a682602ab4adad4160df63dfcc754d422ac457b5243f2babd64

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
SignaturelQWHXPCuZQNfReWFeoI158Rc860frJ4EXPEYoWrQ/Ww6/rtg9gdzOq6TqixDr0OPz9uW7UZ0izcNddVZQXEgDQ==
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

2026-09-17T09:41:57.262682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091601
observed 033e2c6205b84e884a559dac55a97afe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:57.243417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091601/manifest.json
observed b7158739566b6a682602ab4adad4160d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:57.225610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091601/publication.md
observed 14b51517ea79f1a7a2ebc2c5a2167b8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:57.207536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091601/publication.txt
observed e47e8b72078e6e4caf72aec8b443c695...
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.