OpenTechnical

OT-2026-000063497

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000063497) never changes.

Identity and time

Publication numberOT-2026-000063497 · never reused
Internal UUID01a0ae8c-f945-7469-baf7-5531c5e652ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063497
StatusPUBLIC

Content hashes

Canonical text402f28cfccff24b7cb9b0b798d155afc8c12b020ae15b54638b752d90009556a
Markdown275be49974155274ab149cd5feec951b91dbb700ef67aaace6ed4ef2a782b3d1
PDF
Publication page05be267101acb2028d776ab45c6871c02f74ead0fd5b3eabb4d66b5fcf3077dd
Manifest2dd7eee95b99241668436ee0556d57a9eea970f87560c45c352a8194d1c9365b

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
SignatureK/lZG5urgkL6f1p7IleNbbLIb2zCuv8/B6iP71sdFdxkAdkTUcwpGip5hY43+uWH+LUMn6WDR3ighiCLuIGxDA==
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

2026-09-17T10:37:28.558589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063497
observed 05be267101acb2028d776ab45c6871c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:28.541375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063497/manifest.json
observed 2dd7eee95b99241668436ee0556d57a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:28.523351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063497/publication.md
observed 275be49974155274ab149cd5feec951b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:28.505328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063497/publication.txt
observed 402f28cfccff24b7cb9b0b798d155afc...
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.