OpenTechnical

OT-2026-000087556

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, 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-2026-000087556) never changes.

Identity and time

Publication numberOT-2026-000087556 · never reused
Internal UUID01a0ae9a-cd52-72d2-8b2b-e3721b989def · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087556
StatusPUBLIC

Content hashes

Canonical text9a5a4f3ad4ddfe651300e74c9d4ac107d7ffc2af8111ae631c0cc208d2b3dd58
Markdowne3279f17744bf71529db6d0c398d36d1bc9ed583a7ae62356aaba71bb13f48cd
PDF
Publication page9e2c1dd44e49bc00a5b0c88a3dd7e2d61d4e3838325e4701671df6218cb96c31
Manifestb5f36a93925ffe7efd009c974b48f93622b08cfdebaa39e73e2bade2b7e1f666

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
SignaturebpNWb/plJhoOcQe2nvnBs1bJ2+WcHR4TvRLlp23hsFUyRDuzhrSTtin5DWXlshgx41ARQWlkhFxzdR0+Im5LAA==
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

2026-09-17T09:50:53.968647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087556
observed 9e2c1dd44e49bc00a5b0c88a3dd7e2d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:53.950633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087556/manifest.json
observed b5f36a93925ffe7efd009c974b48f936...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:53.932173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087556/publication.md
observed e3279f17744bf71529db6d0c398d36d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:53.914461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087556/publication.txt
observed 9a5a4f3ad4ddfe651300e74c9d4ac107...
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.