OpenTechnical

OT-2026-000069985

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off 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-2026-000069985) never changes.

Identity and time

Publication numberOT-2026-000069985 · never reused
Internal UUID01a0ae91-1861-774c-b941-09e5ce7cc5b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069985
StatusPUBLIC

Content hashes

Canonical textc0caecf7cf14ceec1bb6cdf11de5335e71a5db4edb5d0e7b5823e7d4422aa5e4
Markdown501e8045798bf1b531d5e4126fd98b3ab1e179feb632673ccf484adfaf559127
PDF
Publication page9051ef36b826dd7563b112d74ece34664c45805a1429f23e1d0003117e67a6b8
Manifest9feb94b81572718055dd02ad3b4725d14f5b00d00011fa16f18bb09ceeb022fa

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
Signaturek3T/DXnC6MYiZV0OYZjZjKqubY8edl0SgmVGd9lelL2NFL2qZdSSQo6WCcSfco67F4ix5+x5/T7HkQ0lJeEWAw==
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

2026-09-17T10:26:55.893489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069985
observed 9051ef36b826dd7563b112d74ece3466...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:55.875615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069985/manifest.json
observed 9feb94b81572718055dd02ad3b4725d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:55.857514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069985/publication.md
observed 501e8045798bf1b531d5e4126fd98b3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:55.838992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069985/publication.txt
observed c0caecf7cf14ceec1bb6cdf11de5335e...
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.