OpenTechnical

OT-2026-000068772

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000068772) never changes.

Identity and time

Publication numberOT-2026-000068772 · never reused
Internal UUID01a0ae90-6dcb-709e-bf1d-8bc622b48366 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068772
StatusPUBLIC

Content hashes

Canonical text34802c27b6bd24d5d5fe464430de4f1730673e94d40a49d1193097cb6245141f
Markdown202a0c1793ca2bfd6b8c5eb647b2b2a8317d3afd60165d46322d2929c6b25479
PDF
Publication paged953e37198336136431b5cf26a9e6085d42ed3c0d5c6d4ef67b463e609dfa11d
Manifestba86fa7d832b07232210ef82699029b1e907793cbf72b3af8f890ea1e6125502

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
SignatureggNF9Sxadqlw3QWHWFOr1QwQnqnIKhLlLCDzc9iZRUbxBQYLnE8Fjp+iTeoA/dSTy3YUhJxhum9SUnRgq37WDg==
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

2026-09-17T10:28:33.786713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068772
observed d953e37198336136431b5cf26a9e6085...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:33.769429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068772/manifest.json
observed ba86fa7d832b07232210ef82699029b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:33.751471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068772/publication.md
observed 202a0c1793ca2bfd6b8c5eb647b2b2a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:33.733936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068772/publication.txt
observed 34802c27b6bd24d5d5fe464430de4f17...
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.