OpenTechnical

OT-2026-000065821

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented after set-down, on a tool changer

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-2026-000065821) never changes.

Identity and time

Publication numberOT-2026-000065821 · never reused
Internal UUID01a0ae8e-46fb-7831-865e-dd8b9bc741aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065821
StatusPUBLIC

Content hashes

Canonical textd4f0dd71a1db172317e8c4ec9276f4fa4f969304ea01fc2b7c189f9957938509
Markdown071d73e94279a24e222eba16c09ed2815d253e80780ee842519ec20cacec0cb7
PDF
Publication pagecd4d51b5742d184cc08777a3079e3bb44d2502de812ec0048f1b29a8eade0d97
Manifest4f57bf5e1a6ac3209b2df2633b2dc1a38e4d5b585437d64b49e31ec4ef73b16b

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
Signature57KfZj7cq4QTIOdlrnGnvKpahH3m9b+ko/yFgcLL2c+G5Fm9au0WTGmsVn0JdzvNp6wRQBm4fsTEXe/szIyCDw==
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

2026-09-17T10:34:16.203809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065821
observed cd4d51b5742d184cc08777a3079e3bb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:16.185862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065821/manifest.json
observed 4f57bf5e1a6ac3209b2df2633b2dc1a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:16.008381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065821/publication.md
observed 071d73e94279a24e222eba16c09ed281...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:15.991266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065821/publication.txt
observed d4f0dd71a1db172317e8c4ec9276f4fa...
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.