OpenTechnical

OT-2026-000059489

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000059489) never changes.

Identity and time

Publication numberOT-2026-000059489 · never reused
Internal UUID01a0ae89-8619-7cf8-b1c7-12272cf5d565 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059489
StatusPUBLIC

Content hashes

Canonical textb84eadebf8bdfa20c443a3c5861df9e2d090b02c8c06a97bad7eeef2b892295d
Markdownae6d4cd494661404ea9924798554c569326a943aadfad530a51006c8173045d9
PDF
Publication pagef55d7d4804f8aa63fb98fe2bd59be758d5e462ca07db135bddafb8b7be508b64
Manifest6126fde98d7f75a098b794664f9bed9b4636f622002d1ae35c618983fb2c936b

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
Signature4vQLLm5d4Lf/CwR7tdx7WkJnxQexPWVa9UgQIyEq4ApK/SmACm/UvGKnk9bFdPt3M8jhg5M3B/cUZgVJ+z9ZCA==
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...

Independent retrieval

2026-09-17T10:46:11.659318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059489
observed f55d7d4804f8aa63fb98fe2bd59be758...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:11.641105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059489/manifest.json
observed 6126fde98d7f75a098b794664f9bed9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:11.622867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059489/publication.md
observed ae6d4cd494661404ea9924798554c569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:11.604007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059489/publication.txt
observed b84eadebf8bdfa20c443a3c5861df9e2...
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.