OpenTechnical

OT-2026-000075698

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000075698) never changes.

Identity and time

Publication numberOT-2026-000075698 · never reused
Internal UUID01a0ae94-29fd-7425-87cd-9e2c4d3ef389 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075698
StatusPUBLIC

Content hashes

Canonical text817d99fca488d52989be6979bcae4fa1953ae7b93c98efb6f9d7cb8d3495d34d
Markdown591d211aabf7bf9eb16e4b8555411b7a6fc616fd93c00fad027eee7fa234eb03
PDF
Publication page1e3334e55d42a8f3c9690187af3888edba04d7f50e4b59165fbb461ff532f550
Manifestc8dacc96aebf9a906aebf5538b966b58a026c4284aa29ab648bc9459f4fa57a8

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
SignatureetyBZTIg61h1/R79T3QkY2dmfBbxFVrZzR5sEX4FLWLWkany2XxIsrFJvHrWHAkZh8obNU2rP8p+hWdRzojCBw==
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

2026-09-17T10:13:54.746884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075698
observed 1e3334e55d42a8f3c9690187af3888ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:54.728732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075698/manifest.json
observed c8dacc96aebf9a906aebf5538b966b58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:54.709039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075698/publication.md
observed 591d211aabf7bf9eb16e4b8555411b7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:54.548893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075698/publication.txt
observed 817d99fca488d52989be6979bcae4fa1...
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.