OpenTechnical

OT-2026-000070484

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented 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-2026-000070484) never changes.

Identity and time

Publication numberOT-2026-000070484 · never reused
Internal UUID01a0ae91-545f-7851-8a72-b97acd5519fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070484
StatusPUBLIC

Content hashes

Canonical text2f40455c3229e90a0b1c53d42c4f818d1f4a552f50a9b6355274b8dba4f4f628
Markdownc54da0ed9bccd5b4166f205f27f87f30ab4860e4df52f753b7e9fa34a0c5c839
PDF
Publication pageff5d60a8228f93fd6c804af19faa116eca41258443550c38a0062f3ec7032527
Manifestd15f8099e66e66587758a7e046c276fb7cc6a244ad2134b35c98279b588957e9

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
Signaturefb2M2nnyBNdn+iyrDRBw6abMpJIcAP49IvjvEsyvGXCA3B7asU1T/W/h/8G2OOqE/mqY/VldbwBf/kJgJXpTDg==
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

2026-09-17T10:26:19.102014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070484
observed ff5d60a8228f93fd6c804af19faa116e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:19.086090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070484/manifest.json
observed d15f8099e66e66587758a7e046c276fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:19.069418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070484/publication.md
observed c54da0ed9bccd5b4166f205f27f87f30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:19.052905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070484/publication.txt
observed 2f40455c3229e90a0b1c53d42c4f818d...
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.