OpenTechnical

OT-2026-000089403

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000089403) never changes.

Identity and time

Publication numberOT-2026-000089403 · never reused
Internal UUID01a0ae9b-db01-7af0-870d-5e722bc811ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089403
StatusPUBLIC

Content hashes

Canonical textc69c1afff2aaaa17d0532857a1a97ae740ccfa4edf7d32fdf9fa3bb052a1ccc4
Markdownc2715f6da33da6e71155d5947e2ae62f7f5cfc615597b7033c0d03c34ef96b31
PDF
Publication page25cf92f2263c48781a36d25313c1cb899f2007baff6ef50b144a080cd7214612
Manifestd03d55488b3ab288dc6ce1fad3bb67805558112b84d01d8896b07c224c557564

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
Signature5xMOkdUnxnck9qaR0d0igw5uH0xUYveRtMyAyOw3Pzk7Rub/sLEvc5agfSiFC05uWT/acFy5u22mrP5tkHLRBw==
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

2026-09-17T09:47:32.609767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089403
observed 25cf92f2263c48781a36d25313c1cb89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:32.592068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089403/manifest.json
observed d03d55488b3ab288dc6ce1fad3bb6780...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:32.574920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089403/publication.md
observed c2715f6da33da6e71155d5947e2ae62f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:32.557292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089403/publication.txt
observed c69c1afff2aaaa17d0532857a1a97ae7...
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.