OpenTechnical

OT-2026-000063808

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000063808) never changes.

Identity and time

Publication numberOT-2026-000063808 · never reused
Internal UUID01a0ae8d-53b7-7f41-8ce3-f28b0e9f8db7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063808
StatusPUBLIC

Content hashes

Canonical text2821934c55b115add7ca2af54f37378f12792f2f6ab73862ba6b6449b1ab6332
Markdownfc2aabaaab978717bde1d8d08ab25da7575f6352ff2254150ae0335d374ce9dd
PDF
Publication paged24c3dc84bdfe32a7efa9b5c6df38f0fb9d64f2f8111a2f40a2375b58aa9e3ee
Manifestc82e78bb584dc50eb1eeab9b475fe80834dea38654f9ce0cf27687338a107d7f

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
Signature2uFHQI7qVqTuGef2oKOww+z6VobcHmcZ14wvxBoJ63dQMdiSX3tKU0hcBNmbSwn8C9zixtcSLDxwa4ygwLPYDw==
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

2026-09-17T10:36:49.553164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063808
observed d24c3dc84bdfe32a7efa9b5c6df38f0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:49.535543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063808/manifest.json
observed c82e78bb584dc50eb1eeab9b475fe808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:49.518820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063808/publication.md
observed fc2aabaaab978717bde1d8d08ab25da7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:49.501253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063808/publication.txt
observed 2821934c55b115add7ca2af54f37378f...
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.