OpenTechnical

OT-2026-000089824

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single 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-2026-000089824) never changes.

Identity and time

Publication numberOT-2026-000089824 · never reused
Internal UUID01a0ae9c-428d-72f1-8bab-d26058ce04ab · 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-2026-000089824
StatusPUBLIC

Content hashes

Canonical texte09b086bd11c4b3ae90fcd79842a61eb7b3c959e18081c4734dcff10cc5968d6
Markdowncf8d26f2c0f0cd04a81c30c3afad54c8c22bdbbd0c5bf22211d166e2f85d06bb
PDF
Publication pagefb39247b85f757762b323b2184b09023300dd110f6a7d1e8697bac998a764df1
Manifest8841f9902b8424b4468071d1bfe7ba9656c8d60e65e91f0dd5cf31c10af3d974

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
SignaturekSePTfzfFe72YZkzuKLXDE0XXapHR3E59AhcQwRYXeNzswfaSan9ibAYuAQfAxHdj59J/tiFCEI6Z9RTADzEAA==
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

2026-09-17T09:45:01.546288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089824
observed fb39247b85f757762b323b2184b09023...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:01.528973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089824/manifest.json
observed 8841f9902b8424b4468071d1bfe7ba96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:01.468720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089824/publication.md
observed cf8d26f2c0f0cd04a81c30c3afad54c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:01.346217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089824/publication.txt
observed e09b086bd11c4b3ae90fcd79842a61eb...
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.