OpenTechnical

OT-2026-000017188

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three 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-2026-000017188) never changes.

Identity and time

Publication numberOT-2026-000017188 · never reused
Internal UUID01a0ae6e-76c7-7856-802b-c5b7e5ebd38f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017188
StatusPUBLIC

Content hashes

Canonical text6f3f13035b7a4e0b215910bc46751599525e943df8e1653cc588937c2d65c4ba
Markdownb75f1dee122ff88864e823d539557362665ce41fc2f003eff032b6b812057fef
PDF
Publication page0783fdff83f99d1c789326b829e8a7254ca213bdff9fec55357c0638f4d8db81
Manifest3aa3b2a46e162c8f8511f5fe2e14e794db7235be4e86637ee2ce02a5fb1439d5

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
SignatureEhKiEadW0sZakp6Ufwf4vXoVy63HudhZR1j6+ePqgji/c8aE3aru361zkPdIQC4rTyVx3hbtPdhR3m9agmtQBg==
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

2026-09-17T12:02:15.543609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017188
observed 0783fdff83f99d1c789326b829e8a725...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:15.526172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017188/manifest.json
observed 3aa3b2a46e162c8f8511f5fe2e14e794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:15.473972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017188/publication.md
observed b75f1dee122ff88864e823d539557362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:15.418081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017188/publication.txt
observed 6f3f13035b7a4e0b215910bc46751599...
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.