OpenTechnical

OT-2026-000017901

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000017901) never changes.

Identity and time

Publication numberOT-2026-000017901 · never reused
Internal UUID01a0ae6e-96fb-74e7-8e7c-9440f1e3a312 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017901
StatusPUBLIC

Content hashes

Canonical text59fdb4d1eca0e5e4712d719f314b5604bd4411fd367c177e6af03099effda603
Markdowncc60c48f725ce0a8221fc358dfa4430610546a4f243c47bdc19eda529abd55e4
PDF
Publication page3f90c7ba5c8ae2f4e4f9c10b0b269c6c54e1c9e007cdf3112860cb6a171b8993
Manifest8553a55181667948f96ce7b97e9247cdda172014e62d47e11eabbe3591bf1666

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
SignatureJk2DofjdWVnntzA8X+H6GrgZQj2kVTigd1ZdS4uqkH2afKM9mJhYaFl+xfxkJTkkEbzajxWHUBKNPDYBLJ8MBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:01:53.482772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017901
observed 3f90c7ba5c8ae2f4e4f9c10b0b269c6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:53.467263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017901/manifest.json
observed 8553a55181667948f96ce7b97e9247cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:53.450914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017901/publication.md
observed cc60c48f725ce0a8221fc358dfa44306...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:53.433939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017901/publication.txt
observed 59fdb4d1eca0e5e4712d719f314b5604...
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.