OpenTechnical

OT-2026-000008480

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed blow-off after 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-2026-000008480) never changes.

Identity and time

Publication numberOT-2026-000008480 · never reused
Internal UUID01a0ae6a-e46a-7bef-988d-dd273ff0e0e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008480
StatusPUBLIC

Content hashes

Canonical textf213155ae3781c6e64664609cf1c23f266f4457ad6f9b48cedde3fb33cd6b5b0
Markdown1a824413343d74f7d8b1c2b16c45d9d3258c46a6be9afa356c80fdb4d02e94e9
PDF
Publication page15409401e650f3bc1d2c5da068942e954e01fb533c968b4773773ea605991aaf
Manifest39419e10ad058597318855145759cb8b4b83051abf96af236e122c4665f47f94

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
Signature1+AATBIGj43xBqkS6C+GCckgT0TKg18kI6Cz1JydgiOvOO1Z/WyL/pCcGVfAf7nK3pWRP9Q7ub/hhqqR0eeYAQ==
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

2026-09-17T12:18:22.548675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008480
observed 15409401e650f3bc1d2c5da068942e95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:22.529891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008480/manifest.json
observed 39419e10ad058597318855145759cb8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:22.510759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008480/publication.md
observed 1a824413343d74f7d8b1c2b16c45d9d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:22.491696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008480/publication.txt
observed f213155ae3781c6e64664609cf1c23f2...
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.