OpenTechnical

OT-2026-000072628

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line 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-2026-000072628) never changes.

Identity and time

Publication numberOT-2026-000072628 · never reused
Internal UUID01a0ae92-89d9-773e-aa37-c18b7f10429a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072628
StatusPUBLIC

Content hashes

Canonical texta84ffbc3cf552a68df88db1ac3d5c335c9ff1c4b41fa5debe7cff41e093ac116
Markdownd128d4e1450b617ad810189ee858e0f13c876bc0b80c6b948cc921a88a5db323
PDF
Publication page4c2b8b7fe6aee3723acd8b61714b5d326b48207826853dcb5376852c97269c52
Manifest76e40537ce2df074f82bc91fd8e6412d936ce0c1e6fe608b566266a1b1058774

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
SignatureQ036ieBhQY1Nr6NMBS/6bSgPxsXDzDJaJTxie//vqdXRf+3PwYP9UsUk315nbECS/8A4p5FvQqx2k2Ky6+C6DQ==
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

2026-09-17T10:22:29.215918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072628
observed 4c2b8b7fe6aee3723acd8b61714b5d32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:29.198225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072628/manifest.json
observed 76e40537ce2df074f82bc91fd8e6412d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:29.180298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072628/publication.md
observed d128d4e1450b617ad810189ee858e0f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:29.163016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072628/publication.txt
observed a84ffbc3cf552a68df88db1ac3d5c335...
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.