OpenTechnical

OT-2026-000084132

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented after 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-2026-000084132) never changes.

Identity and time

Publication numberOT-2026-000084132 · never reused
Internal UUID01a0ae98-5b5f-792d-b74a-28004024a667 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084132
StatusPUBLIC

Content hashes

Canonical text75254868a49ba1758d6ea643f7a6126451b25b6a9eb3ea74204b7d00eb8830a5
Markdownaad20f36d687f9e4ac414aa62cc96f6b01656dc29789abdae0439fc3f60115a2
PDF
Publication pageb5c28e7a5d5136056fd86824a70ad2729034df2dd0d9ea8350721e3a974642e5
Manifest5cddf4909e7a12d6595d762717fbf9ec80066f8753c0afe71cd44dbb3219090b

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
SignatureG2Len9Upeojde/vGnMtHxBAhiwmvrFekDQkAoHLvrOLNx9DgSr51iIsQuNIJs6Uk8bu2i1GA+MgyS2cf7eoeDg==
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

2026-09-17T09:55:53.772762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084132
observed b5c28e7a5d5136056fd86824a70ad272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:53.754397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084132/manifest.json
observed 5cddf4909e7a12d6595d762717fbf9ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:53.735110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084132/publication.md
observed aad20f36d687f9e4ac414aa62cc96f6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:53.716717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084132/publication.txt
observed 75254868a49ba1758d6ea643f7a61264...
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.