OpenTechnical

OT-2026-000003773

Publication integrity record

Bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector

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-2026-000003773) never changes.

Identity and time

Publication numberOT-2026-000003773 · never reused
Internal UUID01a0a90b-04da-7933-9707-d4f1c8bc11c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:46.780903Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003773
StatusPUBLIC

Content hashes

Canonical textdf7f19097b6893b3097dc77ba457405f8c87a10314219e6a032c6fd1707a1d7b
Markdown10204f74d88e57dd647c4c26de9fbcec445b7f2c4058370e59d19aea41194d16
PDF
Publication page0f7bd48da6854342fad5cd03b13339b12223ad12ff21309ffaf5b623c9512edc
Manifesta428b330f366ff412171dcdc40e1ea485b6bf3c14f9c64635a40ba1e37a680c6

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
Signature8C9EN8J5gZIHXLBYlTFRQkuVx44Q3YbUoU8+iZHBTmO7hWE1HDbZOKhLGi6HVl+yyVUIeHe1c+h2E/0fewIlBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:21.200032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003773
observed 0f7bd48da6854342fad5cd03b13339b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:21.184672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003773/manifest.json
observed a428b330f366ff412171dcdc40e1ea48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:21.169809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003773/publication.md
observed 10204f74d88e57dd647c4c26de9fbcec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:21.156481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003773/publication.txt
observed df7f19097b6893b3097dc77ba457405f...
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.