OpenTechnical

OT-2026-000010107

Publication integrity record

Single cup vacuum gripper, plant vacuum 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-2026-000010107) never changes.

Identity and time

Publication numberOT-2026-000010107 · never reused
Internal UUID01a0ae6b-cb7a-7063-9888-9102c5027680 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010107
StatusPUBLIC

Content hashes

Canonical textbb3fb8c4f6298efbb60df6cfceed8e2ead00193757a8da97db733fc3e41c7f91
Markdown04420a319a584f25bb677b6a1a2f4b4a33e5104d9b6b4fd5715f224f561ebce4
PDF
Publication pagec1eeb45bcfd77743249086bbe2d2c2f020b4055fbac748fc90cc865cebb3e8a7
Manifested393343b11e1784d4712102a81d9d62df9f40cb8a5d318a9f9b78ea25ae4203

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
SignaturecRfIMl5vP+xwrd1Ma/baTqY0xo667tH5P2dNmTypRlwOjLIIZBztLf1+auG4PUxeHRGzuqZTqnSEeqUhz24aDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T12:15:46.970208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010107
observed c1eeb45bcfd77743249086bbe2d2c2f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:46.949007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010107/manifest.json
observed ed393343b11e1784d4712102a81d9d62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:46.904895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010107/publication.md
observed 04420a319a584f25bb677b6a1a2f4b4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:46.856296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010107/publication.txt
observed bb3fb8c4f6298efbb60df6cfceed8e2e...
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.