OpenTechnical

OT-2026-000061354

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, 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-2026-000061354) never changes.

Identity and time

Publication numberOT-2026-000061354 · never reused
Internal UUID01a0ae8b-1384-7ae9-b2c3-abf489945c96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061354
StatusPUBLIC

Content hashes

Canonical text14d74685a18cd75189c02bf04dbdea972fbe712df4ec841aff22ff27ab9d7069
Markdown9e768be435c781b88a74b493c017268229152a00016a96bd59952e3edc31de7d
PDF
Publication page668a5792d2d82c1dcc43f7ea8d6f31e0d35028c7df28a46b10649278edc9a326
Manifest2098c7288a311eb66ff065bbadffceacf9314afdd084874d2255bf7db97c29f6

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
SignaturewIS0lYURb6IiC647OBRYphph4G0+6BACwGNWGJBLOZeTuwjYdxHL3evE8S10Dtpy6s3Z6PM5mQU4fuaC9x73Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:48.003381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061354
observed 668a5792d2d82c1dcc43f7ea8d6f31e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:47.984762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061354/manifest.json
observed 2098c7288a311eb66ff065bbadffceac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:47.966073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061354/publication.md
observed 9e768be435c781b88a74b493c0172682...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:47.947904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061354/publication.txt
observed 14d74685a18cd75189c02bf04dbdea97...
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.