OpenTechnical

OT-2026-000053589

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000053589) never changes.

Identity and time

Publication numberOT-2026-000053589 · never reused
Internal UUID01a0ae85-0a93-779b-b0f9-dc8b80fc2bcd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053589
StatusPUBLIC

Content hashes

Canonical text49e5edebf42bc7c47fc8315775841c05780102cafd86925c5b410386463a9174
Markdown2c36f8b24b1397ce0126b4a42d95c046028556d48cf0377b602ca8c1f3abed7a
PDF
Publication pagef43b23f724c905c12a54dae1e3ad68bea2be04cacd6f436812cb551bd7c67cac
Manifestd710692463babee847c3a8c07baa9e455b9fc6ff852c64377b0b9dfaed778dc4

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
SignatureXE4P0q597R7d0sCEwe1paBUqZe8+qeRdYyd4tAqSYzRVw72QScJ0XvjhUsnFziw+S0UmjP885ra8A+gZZ4NcAw==
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

2026-09-17T10:55:27.463248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053589
observed f43b23f724c905c12a54dae1e3ad68be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:27.442843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053589/manifest.json
observed d710692463babee847c3a8c07baa9e45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:27.423136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053589/publication.md
observed 2c36f8b24b1397ce0126b4a42d95c046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:27.404378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053589/publication.txt
observed 49e5edebf42bc7c47fc8315775841c05...
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.