OpenTechnical

OT-2026-000071387

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000071387) never changes.

Identity and time

Publication numberOT-2026-000071387 · never reused
Internal UUID01a0ae91-e0ed-7fa7-b302-7c550d508ec6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071387
StatusPUBLIC

Content hashes

Canonical text3255ad9bcb553c82f3757f3575562ab15167e5592327936ae75e328b5d54ac38
Markdown422f73cc7b522463386c9674de5d6dab1143eb2daddc57dc17c69bc10ab429c1
PDF
Publication pagebb56222fa827c5c0ab88a9cdfb69bcdbe7c4cab6b706db908854a64ef165a40c
Manifestf2d9e6670ec491bea5fc38acb7c6c3c360bef6a65a64607bca159cb5a455cfaa

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
SignatureMm4TAt768+U406USKTpVCoAf98bpp/ceBHlkkJcVU4JAp8n3Xel5oYTLdDT8cII1HU7O3dNJomIb0+EcHZZBAw==
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

2026-09-17T10:25:00.634666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071387
observed bb56222fa827c5c0ab88a9cdfb69bcdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:00.616165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071387/manifest.json
observed f2d9e6670ec491bea5fc38acb7c6c3c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:00.597788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071387/publication.md
observed 422f73cc7b522463386c9674de5d6dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:00.579020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071387/publication.txt
observed 3255ad9bcb553c82f3757f3575562ab1...
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.