OpenTechnical

OT-2026-000021772

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000021772) never changes.

Identity and time

Publication numberOT-2026-000021772 · never reused
Internal UUID01a0ae6f-bb5a-7bcd-8303-1ce2d742565e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021772
StatusPUBLIC

Content hashes

Canonical text99bc2da7b96f58cdf25a30fcd3620ababdb73afc1c23a4d0ca477597c997a7e3
Markdownf4e96ae34dae157433eb0f9f82c3fc2e18356da7355451a5abee9c3787f1c556
PDF
Publication pageb6fae621645a84ec2451ef352ad5217113151205dda67e2eb636f2b66be37739
Manifest4616a543eb8b99955359a752342816697854177ecf1915550d5f039ebb11b3d2

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
Signatureefl+Eknd9WvB1q/20D8tHLF8SuPPmD8i531rghq/Zu3WSWjBDN2QsVF5pWc1HjiFGO4Ze+s4+AzS1kXFaJTZDA==
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

2026-09-17T11:54:18.970758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021772
observed b6fae621645a84ec2451ef352ad52171...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:18.952959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021772/manifest.json
observed 4616a543eb8b99955359a75234281669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:18.934613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021772/publication.md
observed f4e96ae34dae157433eb0f9f82c3fc2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:18.915897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021772/publication.txt
observed 99bc2da7b96f58cdf25a30fcd3620aba...
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.