OpenTechnical

OT-2026-000064273

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, vented after 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-2026-000064273) never changes.

Identity and time

Publication numberOT-2026-000064273 · never reused
Internal UUID01a0ae8d-a460-7dd2-9660-26ef89e52589 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064273
StatusPUBLIC

Content hashes

Canonical text85d8ae21bff6ed7bb110cc49771cca099c2ab147148c853b1efc1457cd1aa02d
Markdown5b8bf520e40c86a37d84b974b9e4961175e6ad57acf58b7dfce409e2de65c196
PDF
Publication page06f3d124e10d7e2eef4bb5a0888f3b5febfa41e20223ccf5e2b2c5d2fac9deef
Manifest2d73f7de9ee223f0e7b70ad43d5f12c5d1555c0075dd11f2f80db39505d4d976

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
SignatureUdNgXBn4PFayRAkKLufaFYazLi1Ag86uz0tNKB6h/Zwj49Te29iFGyomhwjAcpCJCsyd9i/6sotLsXZF8pmOAw==
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

2026-09-17T10:36:24.664946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064273
observed 06f3d124e10d7e2eef4bb5a0888f3b5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:24.646944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064273/manifest.json
observed 2d73f7de9ee223f0e7b70ad43d5f12c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:24.628604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064273/publication.md
observed 5b8bf520e40c86a37d84b974b9e49611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:24.610925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064273/publication.txt
observed 85d8ae21bff6ed7bb110cc49771cca09...
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.