OpenTechnical

OT-2026-000099308

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000099308) never changes.

Identity and time

Publication numberOT-2026-000099308 · never reused
Internal UUID01a0aea2-8289-7422-b132-ee08ebdaf13b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099308
StatusPUBLIC

Content hashes

Canonical text20a5dab1f8c240ddcffcb28f5d50a58b4dda8c4d79220c490a2f37edcfcfb7a9
Markdownd9a06322803fa152ffa9037b57daf52c19ce72b6001fc66613a646b979fbb3a0
PDF
Publication pageb868990598ee06dff9542df10354f496e7477065070b68b2b13c1549e9ac76c5
Manifestbe22b2b617bccc2ce04b5fa6d5c77fc37bc0e6b8dd7d630ae81647133ce0ea2e

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
SignaturetM0AR0C9V3rMUSu1exE10jFjU4ObFcqgdDA/zYAesop5hvpkyE04UGTDDaFwaWKCNJFfW+AYMOjPoTQedEY7Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:46.405326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099308
observed b868990598ee06dff9542df10354f496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:46.387518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099308/manifest.json
observed be22b2b617bccc2ce04b5fa6d5c77fc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:46.367911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099308/publication.md
observed d9a06322803fa152ffa9037b57daf52c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:46.350719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099308/publication.txt
observed 20a5dab1f8c240ddcffcb28f5d50a58b...
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.