OpenTechnical

OT-2026-000075324

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000075324) never changes.

Identity and time

Publication numberOT-2026-000075324 · never reused
Internal UUID01a0ae93-f200-7e00-85ea-a2f603bb2df1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075324
StatusPUBLIC

Content hashes

Canonical text0f5c52ee6f0c8812a8a5a501e74ab508dbf07c2d54b4516229fe7ba4b52cdabe
Markdown30674ca660ba7ccd65b5d17c9eb6de4f40bc08594a90a3df87b10687db79329c
PDF
Publication page48f9975c976e644d353ec9f87cb9327e340f2d2781754c97a762c9399068987f
Manifestb7a505a017cd19103febe1276fd4bc6ee2263cf64a71240505da0df4d621506e

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
SignatureTk4xncF5fiW+j83TuyICuhouDcPvgLZn35VL2YMvMW/+gxOjkFz9G9dMjYKjMAwa8rZAHqBCSLEZ5yl9IdjQBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:17:10.216958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075324
observed 48f9975c976e644d353ec9f87cb9327e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:10.197133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075324/manifest.json
observed b7a505a017cd19103febe1276fd4bc6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:10.057283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075324/publication.md
observed 30674ca660ba7ccd65b5d17c9eb6de4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:10.036608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075324/publication.txt
observed 0f5c52ee6f0c8812a8a5a501e74ab508...
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.