OpenTechnical

OT-2026-000089838

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, 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-2026-000089838) never changes.

Identity and time

Publication numberOT-2026-000089838 · never reused
Internal UUID01a0ae9c-428d-7819-bc86-a4a8b47494cc · 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-2026-000089838
StatusPUBLIC

Content hashes

Canonical textf28dd99bb9ac5d456fc7bde29876c370f80b51d5e2f47ac1e3b4a7bd95d137c9
Markdown30311ca7e4b5b0961d2b816d4717b14c9cf11e4f4135cb6efc78d66a694901be
PDF
Publication page6a66a12c10851c4a4de86e3a9e7a9d6ebd5899ffad8d8e5e4f1a4e957348baea
Manifestf29736a908d5f50294d934307720d1dbfcf37e84702212ef59e56622378bea91

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
Signature8ZVkKOMuR46iJFnKQFXpgjhC8706LXGLhKrTcNFPmM/aEeZ7+2yXQMAsgta3bO27wcJMuCRL3fbG+qBmhFiLCQ==
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

2026-09-17T09:45:04.765717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089838
observed 6a66a12c10851c4a4de86e3a9e7a9d6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:04.748302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089838/manifest.json
observed f29736a908d5f50294d934307720d1db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:04.732355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089838/publication.md
observed 30311ca7e4b5b0961d2b816d4717b14c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:04.712555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089838/publication.txt
observed f28dd99bb9ac5d456fc7bde29876c370...
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.