OpenTechnical

OT-2026-000056930

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000056930) never changes.

Identity and time

Publication numberOT-2026-000056930 · never reused
Internal UUID01a0ae87-7af9-7d00-a595-2960dff4acd6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056930
StatusPUBLIC

Content hashes

Canonical textadee03148be5b25382a5678218796d2a5fe426fa3551935d1bac36757df36ea0
Markdown1aa8db59faeea50fbbf3d353e4f1ffa18e987c181bb75558835c417623fc939c
PDF
Publication page472e66c0e1a1a5a7cfe859307544f437d0a695f3fa01ebb5b687a2665c684c6e
Manifesteb700542cf5cf3e32ecdebab97a02d8f39e5385f64c825c8c9be114506c99c59

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
SignatureY50lH8KmbNaVPtGBJAEm6ZWGhn6jWjcit4ZN8waKOrPaM/uUVbUwo/52ne/hceKi/dhtLWz6WUdjYY4FnO8nBA==
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

2026-09-17T10:50:28.732116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056930
observed 472e66c0e1a1a5a7cfe859307544f437...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.713979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056930/manifest.json
observed eb700542cf5cf3e32ecdebab97a02d8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.696159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056930/publication.md
observed 1aa8db59faeea50fbbf3d353e4f1ffa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.676464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056930/publication.txt
observed adee03148be5b25382a5678218796d2a...
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.