OpenTechnical

OT-2026-000007616

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, pulsed blow-off 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-2026-000007616) never changes.

Identity and time

Publication numberOT-2026-000007616 · never reused
Internal UUID01a0ae62-76bc-7735-91e4-5daa28296afb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007616
StatusPUBLIC

Content hashes

Canonical text6a7c594efe239404267839240265d47681e4572003bda92d8974941ad1ce0cf7
Markdownba955ce75c77191a063ca8f7a06978f3ce31b89e31d479ae95c2d10e007bc081
PDF
Publication pageebd5acbbb448b243345b30763dfb452d03bf49fec56cae5f612095c67877ad96
Manifest2996dcba76e8f4ce047042a576ed5c0a6d71926f8c692474cad24df62d4bf715

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
SignatureuLRtnKlZA0I34QE50s0/blDFG5pF0OkPaML0vtlB5OGdkmk37u3BP2SgWW6pECdgC1n9g/S1D9beNSaTiMByCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:13.832870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007616
observed ebd5acbbb448b243345b30763dfb452d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:13.814973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007616/manifest.json
observed 2996dcba76e8f4ce047042a576ed5c0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:13.797574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007616/publication.md
observed ba955ce75c77191a063ca8f7a06978f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:13.780289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007616/publication.txt
observed 6a7c594efe239404267839240265d476...
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.