OpenTechnical

OT-2026-000067011

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000067011) never changes.

Identity and time

Publication numberOT-2026-000067011 · never reused
Internal UUID01a0ae8f-14fe-7973-92ae-3eb9fcb0637a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067011
StatusPUBLIC

Content hashes

Canonical text35a1a1e7bdf1a478bf59e48d44852468e18c5271ba096fc59acf6ff9bd7a3cec
Markdown0940c67936285223a1a9b4b56f5ddc5f087d468db86b16dc5c48200b05de81ec
PDF
Publication page7e15f05084a13e19a7279fc5f85123684ebbfcff6940133731d588c278f84063
Manifest7da298f8fecfd69dcf4841408eff34dea7cb1db86c2245d43f4bc25253bc3c1d

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
Signaturekg3/XPGP8qwO8384r7EW9tNIDBFeH/B9LSxbV3RK13pVM63rucaf0Hx/14I8rCaItt409G6SxLhkbVnYe3eUBA==
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

2026-09-17T10:32:14.540900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067011
observed 7e15f05084a13e19a7279fc5f8512368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:14.523696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067011/manifest.json
observed 7da298f8fecfd69dcf4841408eff34de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:14.506898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067011/publication.md
observed 0940c67936285223a1a9b4b56f5ddc5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:14.489736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067011/publication.txt
observed 35a1a1e7bdf1a478bf59e48d44852468...
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.