OpenTechnical

OT-2026-000056359

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000056359) never changes.

Identity and time

Publication numberOT-2026-000056359 · never reused
Internal UUID01a0ae87-4bd2-75bb-b7ba-39cadc728a64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056359
StatusPUBLIC

Content hashes

Canonical textbc884d0ab0d5e5a05dcf97c095bf2b5013f6a00e2dfc12505057adc9ec59bfe8
Markdown736c40c9fe1ed47e998be5dae866e01bd8b8e99a6f4f84c505aa02ac29ba7e20
PDF
Publication page40552354b3180b4c0ab882032c0deeb32da92f7bad4e88388196b95f0d1ee40b
Manifestd98f1c99024390449b40f947add8c838572efbe686f8bdc6a4d80085fa7164b0

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
SignatureBAlwnjbmoJWdGhMGWb6MAr1G8+KRgChUeGV5Tin/SU7cU21mdvZSZYU2v6EILCt/+dhpFCnXiOr7R55vLwQAAw==
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

2026-09-17T10:50:52.385246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056359
observed 40552354b3180b4c0ab882032c0deeb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:52.367028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056359/manifest.json
observed d98f1c99024390449b40f947add8c838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:52.348458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056359/publication.md
observed 736c40c9fe1ed47e998be5dae866e01b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:52.331282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056359/publication.txt
observed bc884d0ab0d5e5a05dcf97c095bf2b50...
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.