OpenTechnical

OT-2026-000073594

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000073594) never changes.

Identity and time

Publication numberOT-2026-000073594 · never reused
Internal UUID01a0ae92-efb9-7f0d-a773-52c52194caf2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073594
StatusPUBLIC

Content hashes

Canonical texte4c80488bf85e9aa841e7356b3b451fb6bb46cdb0488fd2d358b29b902342242
Markdown8322462a32ca544e50be2568b14cd36fe96fe1a0ff97700b324124f77045918b
PDF
Publication page2883b141d699e5b0ff0e9ab3da4255aed92b50e1425976aa0d7814201b2c9c7c
Manifest1b0d3b087983cdebb4674dbbb1afe6b03d04c441e491cd5dc6a24085b2f61a66

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
SignatureaGqM49/OVhOwOyMA3i1mgq9Mdc/NCClwLKss86Ph6SPE6HP6aWY6UobhAlWMBBB7YCWGm6HAEfErSDlxJx+zDg==
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

2026-09-17T10:21:46.496521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073594
observed 2883b141d699e5b0ff0e9ab3da4255ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:46.479787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073594/manifest.json
observed 1b0d3b087983cdebb4674dbbb1afe6b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:46.462913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073594/publication.md
observed 8322462a32ca544e50be2568b14cd36f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:46.444101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073594/publication.txt
observed e4c80488bf85e9aa841e7356b3b451fb...
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.