OpenTechnical

OT-2026-000023594

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained blow-off before 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-2026-000023594) never changes.

Identity and time

Publication numberOT-2026-000023594 · never reused
Internal UUID01a0ae70-726a-745a-a399-a1d309a1db4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023594
StatusPUBLIC

Content hashes

Canonical text1b07286bd661160e170befd5cc3ca7b0e970d1f202361506408f8bb1743ce5fa
Markdown618c8a11fec71d4e7e310ae325ca64b2aa32f55ea7d08904c926c3ee697478a8
PDF
Publication page160749e83e635f24cfc03099c417fc272b9a2969ccdec3b36a633633f9feef5e
Manifest890190e9ae5e091a14230831ea49a9e73378fa85f280ec2a419e2e952ebcc4f6

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
Signature8WFBKzOI5eb5kPvld0ZBzTNJQxADVLBoSTBKKMmZ8I003mx19P2F2rw7bqQoRDHdN/a4kA/bkq+7H38zWJx5BA==
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

2026-09-17T11:51:57.249040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023594
observed 160749e83e635f24cfc03099c417fc27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:57.231452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023594/manifest.json
observed 890190e9ae5e091a14230831ea49a9e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:57.214555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023594/publication.md
observed 618c8a11fec71d4e7e310ae325ca64b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:57.198526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023594/publication.txt
observed 1b07286bd661160e170befd5cc3ca7b0...
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.