OpenTechnical

OT-2026-000077000

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented before 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-2026-000077000) never changes.

Identity and time

Publication numberOT-2026-000077000 · never reused
Internal UUID01a0ae94-b071-75fe-800b-9eb16db8c349 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077000
StatusPUBLIC

Content hashes

Canonical text3b4a74317e150d658aaffe63eba260e0d0f643bc15c6bec5c0a3738af29b13b2
Markdown5b138e9dbdddc0c52153add9689286d9947d4ef4f2650bb5b1e3c1d883952efc
PDF
Publication page0d159d9379943259d639f5b5594c5c0e855d84907787db567c99d684c8f7d195
Manifest656616cdd1b8f3c7a4a279e32528305f0077f779e035ed1c3b5ef3f8857e2f1b

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
SignaturefNQ48ufm/W/f7PeyWOPmPag6E8mYKJVI0RYI1L3mPm/jVXndO9UX0u0L+xnNEGbFrhiWYpvZj0WcIDOjh/Q0Ag==
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

2026-09-17T10:10:20.488088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077000
observed 0d159d9379943259d639f5b5594c5c0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:20.466048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077000/manifest.json
observed 656616cdd1b8f3c7a4a279e32528305f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:20.443607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077000/publication.md
observed 5b138e9dbdddc0c52153add9689286d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:20.299147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077000/publication.txt
observed 3b4a74317e150d658aaffe63eba260e0...
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.