OpenTechnical

OT-2026-000044985

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000044985) never changes.

Identity and time

Publication numberOT-2026-000044985 · never reused
Internal UUID01a0ae7c-911d-75d6-9f33-11fbfd45a795 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044985
StatusPUBLIC

Content hashes

Canonical text97b030e37e25c03cd1ea05d5d03bdcd260a64af3b8967b5c911c704210152d3d
Markdown448945da5e25fc6f473e5605068dfe607463ef72caba36efde3b9ee438e9d21a
PDF
Publication page04871e5652190dbc46f4700d503fe036b4fd529922595a1b8558de89acf13daa
Manifest812b54dba3b6f71b566398fcab18419c9d33cc9fa0070afa5374ebbb69f4b425

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
Signaturew3Suk6CWXNg1z9c+BgTzBcmYSPsdnhcWVH15CkNVn+Jyrdl8A4eRcaf3693MGE1YI8zETIVbJIYBAbWnCrZdBg==
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

2026-09-17T11:11:40.589548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044985
observed 04871e5652190dbc46f4700d503fe036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:40.568790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044985/manifest.json
observed 812b54dba3b6f71b566398fcab18419c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:40.549345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044985/publication.md
observed 448945da5e25fc6f473e5605068dfe60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:40.530125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044985/publication.txt
observed 97b030e37e25c03cd1ea05d5d03bdcd2...
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.