OpenTechnical

OT-2026-000042043

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, manifold 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-2026-000042043) never changes.

Identity and time

Publication numberOT-2026-000042043 · never reused
Internal UUID01a0ae7a-5d70-7ec7-afc4-56bef013144a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042043
StatusPUBLIC

Content hashes

Canonical text6ff89da6fa14ed7980b5e8b33cfb4498d01a523228a59ef7fe1cb9c2fe7b68cf
Markdownffc70734bb9f6ae6596d9367ebf0e0a6a5e5b029bdc18f0566e43845f25ad421
PDF
Publication page14b13b90e571ae8b17a45142c9d7a3f31938a3f7a8f7e853282fa7157ee6d708
Manifestf0166cadd4b8936a5561fd596e57e2682e220940b71c024221430324f1fc2b7a

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
SignatureTzOlwpmvNAcpcYMR5PnOguhPAN2YCdPVKsG5xg/6OiTVO85HN12uqCVFX2NFTHaS3YXX3KbBIw25zE1pBkSZAQ==
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

2026-09-17T11:15:33.376086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042043
observed 14b13b90e571ae8b17a45142c9d7a3f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:33.357550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042043/manifest.json
observed f0166cadd4b8936a5561fd596e57e268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:33.339731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042043/publication.md
observed ffc70734bb9f6ae6596d9367ebf0e0a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:33.320481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042043/publication.txt
observed 6ff89da6fa14ed7980b5e8b33cfb4498...
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.