OpenTechnical

OT-2026-000063904

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000063904) never changes.

Identity and time

Publication numberOT-2026-000063904 · never reused
Internal UUID01a0ae8d-53bb-733a-a363-1b6578ae0756 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063904
StatusPUBLIC

Content hashes

Canonical text2c8d96cf855a7740198e46f1548b8ed7ed793579eb62ff9423d382aa30672bf6
Markdown268ced897f33ed019e80b1f8a2f36ec7f7cfbbdddf471ad8b506b0ae258233d0
PDF
Publication pagec3c767a4997b0a26b8cdcc346e2bc0031a618d404755c6d63024f356f4b77f3e
Manifestdb3401e8d124932593b47ddb6b78611248386e32bd810c3dc3f16db5856660f9

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
Signature6asPIuRXWlPGQr63KFasXE49Qpt1yPElRnaM+9fM6IXaZ6PZm2MLcOLZgu+Kz9cDE5g9/c/dvCElR6GL98BXDw==
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

2026-09-17T10:36:57.099023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063904
observed c3c767a4997b0a26b8cdcc346e2bc003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:57.079264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063904/manifest.json
observed db3401e8d124932593b47ddb6b786112...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:57.061439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063904/publication.md
observed 268ced897f33ed019e80b1f8a2f36ec7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:57.043779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063904/publication.txt
observed 2c8d96cf855a7740198e46f1548b8ed7...
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.