OpenTechnical

OT-2026-000089546

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000089546) never changes.

Identity and time

Publication numberOT-2026-000089546 · never reused
Internal UUID01a0ae9c-1a21-76d6-ad11-d89e671e6926 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089546
StatusPUBLIC

Content hashes

Canonical text34a444c25bd78dfc06bf42173a1e4489f08f7f2b74dac681f0a160806cdc2ab9
Markdown796501e0b975eb840fa2c2b3fe3802c261aab0602ef5de44942312228e1e1929
PDF
Publication page151eed4ac0980a62a03573598a262ae5cc96f531088e39eaef18821d9454b317
Manifest63152df963ba646824fdf60166436ff519cf39e565c9f44c71594b3526ec891d

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
SignatureHslLs11Gd2eznnUeTWPg9aVULvNvk3yjCB0OyAlcp0tLhMl70Hw0DL8dginFAySYlRa8lHJH+4wnOwTXutBWDw==
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

2026-09-17T09:46:30.867995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089546
observed 151eed4ac0980a62a03573598a262ae5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:30.850277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089546/manifest.json
observed 63152df963ba646824fdf60166436ff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:30.830810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089546/publication.md
observed 796501e0b975eb840fa2c2b3fe3802c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:30.811981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089546/publication.txt
observed 34a444c25bd78dfc06bf42173a1e4489...
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.