OpenTechnical

OT-2026-000008107

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000008107) never changes.

Identity and time

Publication numberOT-2026-000008107 · never reused
Internal UUID01a0ae6a-908c-7afe-836b-8f8c376881b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008107
StatusPUBLIC

Content hashes

Canonical textfb16362bf80dc36c578e1788ccc83ed00f9eac9d4b946568456e0b60de20dc77
Markdown2b44bb9e12236b8c529f404a273621c0ee033332cb02600f8a3ae143cf7ab275
PDF
Publication page8419b29f296862e7cf08d9d04e3e3324a9a93c1f098372b921713ffb9c017ae0
Manifest8cfdcfb6f223d118238974bbe813eb90e85d1167f04c4ff2739f555967035221

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
SignatureiBkhR3RKMkxdpQGGT3xuxBfpQfNU14i42ZaXWcU+K58XJR11Y4eVo2aM3kDk3LgDDwrfSPC+oBvL+3lrodx6CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:25.314616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008107
observed 8419b29f296862e7cf08d9d04e3e3324...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:25.288645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008107/manifest.json
observed 8cfdcfb6f223d118238974bbe813eb90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:25.269021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008107/publication.md
observed 2b44bb9e12236b8c529f404a273621c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:25.248866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008107/publication.txt
observed fb16362bf80dc36c578e1788ccc83ed0...
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.