OpenTechnical

OT-2026-000091092

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, sustained 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-2026-000091092) never changes.

Identity and time

Publication numberOT-2026-000091092 · never reused
Internal UUID01a0ae9c-f16b-7a89-bbef-4100294b0254 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091092
StatusPUBLIC

Content hashes

Canonical text047b4305b711922ccc18fad0ea12ccbd5807e76fe9c99a727d743e56234dbdbd
Markdown7c544410062dcbecb2122d7a96a4bf940ba768cdf84b3c17b5aa302748962db7
PDF
Publication page4db6348127857dc1f89c7a874903aa9d4b931777dfaab940015a6bc943881221
Manifest95a7173ddf3e154572302ab1639308b7e59557b380c56c1d2e822eb64b58ac5c

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
SignatureAgrhhRsIcbxjfGUv01f6McB7TTllrD81tTt9dTt+kk0wMSQSMrxOOv1SytPa2VahH9NGmRIuVYTDgq/Abr91DA==
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

2026-09-17T09:43:14.348053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091092
observed 4db6348127857dc1f89c7a874903aa9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:14.330436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091092/manifest.json
observed 95a7173ddf3e154572302ab1639308b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:14.233926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091092/publication.md
observed 7c544410062dcbecb2122d7a96a4bf94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:14.132220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091092/publication.txt
observed 047b4305b711922ccc18fad0ea12ccbd...
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.