OpenTechnical

OT-2026-000021412

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000021412) never changes.

Identity and time

Publication numberOT-2026-000021412 · never reused
Internal UUID01a0ae6f-865d-7b14-94c0-1de2f1c23fec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021412
StatusPUBLIC

Content hashes

Canonical texteda41590ccd342cf077889c28841b1730d0dcb5f48861dd34d46e608712125ba
Markdown20d47102a717731dcfe7ae46ee0d787195f59e3322a1d83f3f89c1d27228220e
PDF
Publication pagee452a7b614508175263afc5af9977f342aa385b909188d9af9f4425e6989f37f
Manifesta8ac61711ee1a8c40123f1c7fd59034197b87279be81cd54b982194323cc5cb8

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
SignatureiUQZwGe3pMkBBCUONVrJZuEfejWKjaaATOf6aSyHGoobSEvdbjEv+zI8eS7xtYgl6BMhTPgXaAVPXo34rbLXBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:55:18.626152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021412
observed e452a7b614508175263afc5af9977f34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:18.605112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021412/manifest.json
observed a8ac61711ee1a8c40123f1c7fd590341...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:18.580467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021412/publication.md
observed 20d47102a717731dcfe7ae46ee0d7871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:18.554045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021412/publication.txt
observed eda41590ccd342cf077889c28841b173...
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.