OpenTechnical

OT-2026-000095521

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, sustained 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-2026-000095521) never changes.

Identity and time

Publication numberOT-2026-000095521 · never reused
Internal UUID01a0ae9f-8f74-7215-85f9-d421eb8288cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095521
StatusPUBLIC

Content hashes

Canonical textdf8294363daaa9144970b372f9f430af6bd40d10f6319fdc0de64593d7af8a68
Markdown13582df0c5852a7010b6a649fc45df9c92ebd678ed8acf4b6b563c6fb3315c4b
PDF
Publication paged29b68e97e6e624f2618218a7805d29001dc852135734286aebcb55f207f8d15
Manifestaf2ea1be0346ed13783ae485d1696f79cd1906fbdc326ac27872231edf8f4985

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
Signaturej/O1ZbTcq4wD8BXMUx9YIVrfKSCpftTlTo/JgCx2XQMzpku9Fo0FvPbVcubQV+7NkqzSWx8DUyXnwzFwsQ6fAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:55.819997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095521
observed d29b68e97e6e624f2618218a7805d290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:55.801332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095521/manifest.json
observed af2ea1be0346ed13783ae485d1696f79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:55.784341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095521/publication.md
observed 13582df0c5852a7010b6a649fc45df9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:55.766717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095521/publication.txt
observed df8294363daaa9144970b372f9f430af...
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.