OpenTechnical

OT-2026-000067416

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000067416) never changes.

Identity and time

Publication numberOT-2026-000067416 · never reused
Internal UUID01a0ae8f-6bd8-73a7-a085-b41a5d264547 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067416
StatusPUBLIC

Content hashes

Canonical text2bb529d1bcdf4ddb6aa321641bc3d8bad125e29c6dd8c9b07e178ac4d9b5e26e
Markdowna4588f3b19c44b3b3ecdb3856ca2a02a7b9715d96431861b11cde19325f549e0
PDF
Publication pageafa0bdb42883425951bb696d94718403384b537271c838b677a07167c63858e1
Manifestb8b275338c763091c57b4eac5b4a925c33380fe71f788df0d5f5ee8b51e0ab70

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
Signature1paJ5VJ1ypKotV2TNjhqWT+ONpi9jdbpHZO9enI7exdvk4LkxF9zK51aq3toa84ATRRnKAikd7nyY5D4x+ZUCQ==
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

2026-09-17T10:31:36.815328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067416
observed afa0bdb42883425951bb696d94718403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:36.797200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067416/manifest.json
observed b8b275338c763091c57b4eac5b4a925c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:36.779057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067416/publication.md
observed a4588f3b19c44b3b3ecdb3856ca2a02a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:36.758809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067416/publication.txt
observed 2bb529d1bcdf4ddb6aa321641bc3d8ba...
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.