OpenTechnical

OT-2026-000055825

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000055825) never changes.

Identity and time

Publication numberOT-2026-000055825 · never reused
Internal UUID01a0ae87-0a49-70ea-8dcf-99bf66e62774 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055825
StatusPUBLIC

Content hashes

Canonical textf147673a933d5817b6f42b805f7b67c6b22274b2b90a75e1d01a316b6a3fb6eb
Markdown73c2db51ff61df0611a271d7fd8309f484abcb33a57464a525ba041ff0b924c9
PDF
Publication page7829e266a5bcd115af556ca8f73b605bb532551dc9a37177f2e53f09c043b0df
Manifest70a0d4610c941dcbf26c961db2f9233169c879c48aa26384624916410756dead

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
SignatureqpyF/YbEcgP32WMwRWGcKo0rnyElGNOtYWQ3IpSW9LapU/aoAKOjFpanw6FoaeohEnuhTlDDNQ6B5uUi6SbMDQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:12.414243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055825
observed 7829e266a5bcd115af556ca8f73b605b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:12.394361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055825/manifest.json
observed 70a0d4610c941dcbf26c961db2f92331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:12.374728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055825/publication.md
observed 73c2db51ff61df0611a271d7fd8309f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:12.357017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055825/publication.txt
observed f147673a933d5817b6f42b805f7b67c6...
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.