OpenTechnical

OT-2026-000081068

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented after 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-2026-000081068) never changes.

Identity and time

Publication numberOT-2026-000081068 · never reused
Internal UUID01a0ae96-b976-745d-9e44-a33da239c0ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081068
StatusPUBLIC

Content hashes

Canonical textf3e99141870f5ed122ca93a161db16e4aeca0dbd611864d0335586ae9e3827b2
Markdownb1a7770f6632ad4de4f4f4fec76becfc727c1e36de1ebbaf696eecd93e0b1987
PDF
Publication pagef117a93bd65d64cdba2f38e9998b7c88e90a0483812f6525a92f2b204d684abf
Manifest64a19d3bfc35b6874bd0d166a712bf1bab49e2e8de3f34accd3e2bd97e715c24

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
SignatureZ0GH+c+vnXB8FKUvz1OoErwoE8FKIIZK8KtqKyZIDBg0hEvbuLJgeDiaFJnC7hlhmpQP0bKRzbf2q2mGH0EaBA==
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

2026-09-17T10:02:21.942318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081068
observed f117a93bd65d64cdba2f38e9998b7c88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:21.925383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081068/manifest.json
observed 64a19d3bfc35b6874bd0d166a712bf1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:21.908100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081068/publication.md
observed b1a7770f6632ad4de4f4f4fec76becfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:21.891838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081068/publication.txt
observed f3e99141870f5ed122ca93a161db16e4...
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.