OpenTechnical

OT-2026-000064645

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented after 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-2026-000064645) never changes.

Identity and time

Publication numberOT-2026-000064645 · never reused
Internal UUID01a0ae8d-deb8-7ab1-9432-3d4f71c2200e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064645
StatusPUBLIC

Content hashes

Canonical text1892c0261c564b9816a72c3feb50c5f34bb4dd4450015e71255efb0493847bb4
Markdown0a89d5854375df3bef7274a35f40c99c4505ea9aa75ba78632c5f872fa563f11
PDF
Publication page53fe0d40f842357f8e56ffe290ecf2d60896f68f0f1e9fe03eede582bff90afb
Manifest1704e16ef2d3e4eb11f07f9d328377832c64eff1f90332619cbff0edfe91de74

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
SignatureMMUw0TyaTUMYpHwoJP0w1FeXKipXDZaB27I7f1FTpSSoTuZAkSh6tl0jhsz6xFUgXnhO/dOtWBwxnqLxbSD5AA==
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

2026-09-17T10:35:25.862144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064645
observed 53fe0d40f842357f8e56ffe290ecf2d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:25.844303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064645/manifest.json
observed 1704e16ef2d3e4eb11f07f9d32837783...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:25.826205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064645/publication.md
observed 0a89d5854375df3bef7274a35f40c99c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:25.808981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064645/publication.txt
observed 1892c0261c564b9816a72c3feb50c5f3...
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.