OpenTechnical

OT-2026-000054457

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented before 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-2026-000054457) never changes.

Identity and time

Publication numberOT-2026-000054457 · never reused
Internal UUID01a0ae86-1282-7797-a9f6-8ff6ce984492 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054457
StatusPUBLIC

Content hashes

Canonical text604595ce416a0b537f9bebfe8b6861354a502cb33d04328cdd97ddabdb2ca9d2
Markdown79f2a934994f672cd2044838fdccb9be1f98ff76a7ceb076fa3bc2b6e2e62f48
PDF
Publication page9fd0900534a42ed6a25408f2c953244d1f5ca8ecd363521f73817435907c0797
Manifestbc2b5270765644005b975ae87af968edf80b980444b886878b7a89a5cab78338

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
SignatureAwxNN5g2hyGNIz1dJGQoRMF6Obd9alACGsvZDfu676FVwJAA8ZwHnOYD4YWk3IkOUaQLMTS6SDWovFy715G0DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:26.832750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054457
observed 9fd0900534a42ed6a25408f2c953244d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:26.814968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054457/manifest.json
observed bc2b5270765644005b975ae87af968ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:26.797774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054457/publication.md
observed 79f2a934994f672cd2044838fdccb9be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:26.780611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054457/publication.txt
observed 604595ce416a0b537f9bebfe8b686135...
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.