OpenTechnical

OT-2026-000021860

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000021860) never changes.

Identity and time

Publication numberOT-2026-000021860 · never reused
Internal UUID01a0ae6f-bb5b-74f6-b3db-ee9e74fde169 · 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-2026-000021860
StatusPUBLIC

Content hashes

Canonical textace01a4f0f813c4270da6013c5013e2aa235420c3d8d04fd0d26d10996b4c439
Markdownbf6f7779beee497e311e3afb12484161033bda2d793bae92ed7641afd44334df
PDF
Publication page66b9fa0f3519df5b186729d8b7e8f16b846c59087d253e955650b78d915a7c2f
Manifestf6fd19e013396f0bc412c7181d62402d6a27fcc56c1bf6b682058f353e0a607a

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
Signatured82FTXgoflZ7SQECcJ9wlkC4EQ9sW3us5E3RqnTVnDyLo+/sEEOvS8rfC879vF0Ikh5Qwu+aAVQxXvMrTUNkBA==
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

2026-09-17T11:54:25.325351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021860
observed 66b9fa0f3519df5b186729d8b7e8f16b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:25.309226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021860/manifest.json
observed f6fd19e013396f0bc412c7181d62402d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:25.291984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021860/publication.md
observed bf6f7779beee497e311e3afb12484161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:25.275803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021860/publication.txt
observed ace01a4f0f813c4270da6013c5013e2a...
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.