OpenTechnical

OT-2026-000068148

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000068148) never changes.

Identity and time

Publication numberOT-2026-000068148 · never reused
Internal UUID01a0ae8f-c4ff-7468-8942-8d4210d7f8e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068148
StatusPUBLIC

Content hashes

Canonical text568d56501db2dfc65084f63e920bad3fd3721e3db1ac40234828c024eb742bd4
Markdown9795154dc255d5d2610d787868bb5efbfd3d6d4e772258f969d4dc6b20430f4b
PDF
Publication pageb7fd62ea888c92e8c41955ed698e61823e47030c72c0533c28d9a4dfb91fe519
Manifestd608933e3accab6c68003d03a0e017a24b666b76268a104b69110d99509b6186

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
Signature/e/0scuxciAJUCOI4gb9wwRTiR301+4GE1AgEyPPndFpaPhHJdj/0EeXxgT5aj3s/Brgk5pAjvpNJWAlT/uSAA==
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

2026-09-17T10:30:47.872910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068148
observed b7fd62ea888c92e8c41955ed698e6182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:47.852918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068148/manifest.json
observed d608933e3accab6c68003d03a0e017a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:47.834906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068148/publication.md
observed 9795154dc255d5d2610d787868bb5efb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:47.814958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068148/publication.txt
observed 568d56501db2dfc65084f63e920bad3f...
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.