OpenTechnical

OT-2026-000081081

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000081081) never changes.

Identity and time

Publication numberOT-2026-000081081 · never reused
Internal UUID01a0ae96-b976-7d89-81eb-b997b48ec97c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081081
StatusPUBLIC

Content hashes

Canonical text937ee2ffa62356233dcb8f0b194aa1088f44bf0344f0d379e58888306c4c9b0f
Markdown7e76563ceb8a75873a8763b765a37fb6e838c6ef628be168d1765c80a74d6bda
PDF
Publication page8e6fcc491756d5647053bccd066bf5a65daef9b1aebb6ba9b4b8e99e122053da
Manifestdcdc7a092be08788e750ad1d39801ea389c3641d9e6d535ce9175719e6ff4a66

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
SignatureEn2hoOCjHd5XzZomleDVXZ2+zIn7iTjGTtea6GzmDK5pyBTb6YTYNH+f6da3nNq1wbiC+62zGA2rrY4tPuB9CA==
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

2026-09-17T10:02:22.908646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081081
observed 8e6fcc491756d5647053bccd066bf5a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:22.890628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081081/manifest.json
observed dcdc7a092be08788e750ad1d39801ea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:22.872384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081081/publication.md
observed 7e76563ceb8a75873a8763b765a37fb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:22.854290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081081/publication.txt
observed 937ee2ffa62356233dcb8f0b194aa108...
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.