OpenTechnical

OT-2026-000058221

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000058221) never changes.

Identity and time

Publication numberOT-2026-000058221 · never reused
Internal UUID01a0ae88-6edb-7bb7-8dc1-96ab63fa21b7 · 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-2026-000058221
StatusPUBLIC

Content hashes

Canonical textf69f8bad2749097696b761496ebd39dc9e48e6c5ec2aa5cb43dc3d88ba4f7117
Markdown9d3aa954152738110a8fea4c1bbd6724a4836afeb6596cb14eb9e3f48af37fa8
PDF
Publication page973c74b83d169bf3c529e9f0bb3e2c7a7ea77a4af812c542e9df3d230ca67fdd
Manifest74223228189adc65e2c51a15d69d024072b6f78a42a587c8a263e003de53e06f

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
SignaturepNlXHRr12Auzf25T9nWgrW7ie2RzFikntX1QPFjQRYcXyUBGuEeF5N/bwrFswZxqNcNzS3VaFZtkoJ8fkGh9Dw==
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

2026-09-17T10:47:55.684948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058221
observed 973c74b83d169bf3c529e9f0bb3e2c7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:55.665629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058221/manifest.json
observed 74223228189adc65e2c51a15d69d0240...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:55.647081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058221/publication.md
observed 9d3aa954152738110a8fea4c1bbd6724...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:55.628743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058221/publication.txt
observed f69f8bad2749097696b761496ebd39dc...
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.