OpenTechnical

OT-2026-000081772

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000081772) never changes.

Identity and time

Publication numberOT-2026-000081772 · never reused
Internal UUID01a0ae97-0f74-7725-928b-cca5ebcc69ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081772
StatusPUBLIC

Content hashes

Canonical text65728d37d37ade4eddfcd8b8ed15a20b19468ab29f443535898e8d9bb5f21c8e
Markdown0f3511eb0c3908898307287a7ee86ee608ca4177d918c0fa84538ef9f7271a80
PDF
Publication page198e0c08148b4cbae933629543bae7892c21f3632e27ad9e7e81758d76c05597
Manifest4e63f1f3d0a1bbb9287da82e314a2ac3e6a076d228099e19f9d1aba33a62a6cc

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
SignaturehLDgAI+OredrB0EiZlBhptCZkh8F+hl1TN+RWC2EEoF3hPojiGf6+GGhdB2vyrCkB0vOWeP0Y3ePz2FiflKoDw==
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

2026-09-17T09:59:51.925135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081772
observed 198e0c08148b4cbae933629543bae789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:51.905421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081772/manifest.json
observed 4e63f1f3d0a1bbb9287da82e314a2ac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:51.887559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081772/publication.md
observed 0f3511eb0c3908898307287a7ee86ee6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:51.870218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081772/publication.txt
observed 65728d37d37ade4eddfcd8b8ed15a20b...
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.