OpenTechnical

OT-2026-000064216

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000064216) never changes.

Identity and time

Publication numberOT-2026-000064216 · never reused
Internal UUID01a0ae8d-a45f-76d8-82c2-d9d5a2523bee · 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-2026-000064216
StatusPUBLIC

Content hashes

Canonical text33d54d67d3f32aef323a7a7dd625dfe22559c3336f98a143538aae21bb19554d
Markdown080476363e82fc9f204ef52e8c14348e2251c71f2859b5765f8a20e9afc7de92
PDF
Publication page69d4ce5c61d13efe9b7ef8231508cf22a3ce1e76246c3d46885642952c51b9eb
Manifest4f9948c69f2ec414fb737654e1eefbfd7bdb295e9b2515cda0af65165b7fa331

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
Signature2veXnTFafmF2K+jsvhkR5VecwnROW1kigQnjOz+2QMXGrlqTrB7OHsAyicv1MRj/dhdNFUU5LL3c8v0UCOh3DA==
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

2026-09-17T10:36:20.194672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064216
observed 69d4ce5c61d13efe9b7ef8231508cf22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:20.175268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064216/manifest.json
observed 4f9948c69f2ec414fb737654e1eefbfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:20.157344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064216/publication.md
observed 080476363e82fc9f204ef52e8c14348e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:20.140046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064216/publication.txt
observed 33d54d67d3f32aef323a7a7dd625dfe2...
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.