OpenTechnical

OT-2026-000046543

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000046543) never changes.

Identity and time

Publication numberOT-2026-000046543 · never reused
Internal UUID01a0ae7e-57dd-76e2-9c35-a2c988d6f11c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046543
StatusPUBLIC

Content hashes

Canonical text1d41ed1bbed6758fce50ad51034e2b2e57178f9b0d2a825209709e81b51272f7
Markdownda2760c33cc0472208a5b8319936bac61810d9e33d313c505da2a10df827a184
PDF
Publication pageecc564ec388326e1faa682e9e394af3505b4900f351755992dd653f29589d09d
Manifest41352d0a7d6f72e6831e76ad0fb095015e02d17341f8e41f27f03250389cbe9a

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
Signature/1Fg/HPHArcKBvRhPkoxAqu3j4wgfiQ2AN88oknlh+5lsN5u7YEdX2j/MrbvskK9dUNrEAueWTlm66tAWthCDw==
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

2026-09-17T11:08:36.005102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046543
observed ecc564ec388326e1faa682e9e394af35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:35.988375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046543/manifest.json
observed 41352d0a7d6f72e6831e76ad0fb09501...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:35.971488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046543/publication.md
observed da2760c33cc0472208a5b8319936bac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:35.953013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046543/publication.txt
observed 1d41ed1bbed6758fce50ad51034e2b2e...
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.