OpenTechnical

OT-2026-000020110

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000020110) never changes.

Identity and time

Publication numberOT-2026-000020110 · never reused
Internal UUID01a0ae6f-4378-740e-9456-d2d596aa31ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020110
StatusPUBLIC

Content hashes

Canonical text764be7c9a23e451b130680c2da8463f1df0d8f1b39104c10f813c6bf6a9c265c
Markdowna9f9c8c4bb418e805913faab25c3a1f7b36d1e50b9ee7608d983ee2463455f95
PDF
Publication page9778114bd1e3c1ab1b1cfb4375a99a07fbf9294bb66d7ec811200a02e8e4ba1e
Manifest741c3bf63609c96942485d3a4022ee01d2f782ca0d646f5813f04de9dfc4cbad

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
SignatureE2tS4FDPbD8YgrHnwfs30d9RqF3QRGM2e/1kSI1pBvUtCBfIE4tcTqnVLTyjUYy1Ho8faq+cMO28gvEn154lAQ==
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

2026-09-17T11:56:24.592565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020110
observed 9778114bd1e3c1ab1b1cfb4375a99a07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:24.574375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020110/manifest.json
observed 741c3bf63609c96942485d3a4022ee01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:24.555683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020110/publication.md
observed a9f9c8c4bb418e805913faab25c3a1f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:24.538653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020110/publication.txt
observed 764be7c9a23e451b130680c2da8463f1...
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.