OpenTechnical

OT-2026-000058009

Publication integrity record

Four cup vacuum gripper, four outlet manifold, 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-2026-000058009) never changes.

Identity and time

Publication numberOT-2026-000058009 · never reused
Internal UUID01a0ae88-6ed9-7c22-bece-670cff2b8990 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058009
StatusPUBLIC

Content hashes

Canonical text0ae3bdd7e92729cbad97304d57c7190be7810e0385aac6d5892a98b675b3717a
Markdown032a115f5f0348764cf4241e1ec086dfdd5be449dca8ea7544b67b226ec466b2
PDF
Publication pagef2ac33b2682ecafa218ef6fe3e055a8eb39679f45f37f2f94d32d0362806ad4f
Manifestbe7b3734aa200c594ed7f8484663bdd80e1b630f86f8ecd8afd43cfaa9125c8f

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
SignatureIjYvGeU49yAyBw92AZ4hxJXHcvm/sqkTOc+aTH9ElZ3j1Ir6a3vygAblAjBYQiLIsWJ2gfrQvJIsTyXYKMQpBA==
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

2026-09-17T10:47:38.634547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058009
observed f2ac33b2682ecafa218ef6fe3e055a8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:38.614015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058009/manifest.json
observed be7b3734aa200c594ed7f8484663bdd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:38.594958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058009/publication.md
observed 032a115f5f0348764cf4241e1ec086df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:38.573748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058009/publication.txt
observed 0ae3bdd7e92729cbad97304d57c7190b...
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.