OpenTechnical

OT-2026-000005760

Publication integrity record

Vacuum cup gripper, two zone face, six outlet manifold, pump fed, contact triggered, rubber cups

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-2026-000005760) never changes.

Identity and time

Publication numberOT-2026-000005760 · never reused
Internal UUID01a0a943-e356-74fb-a753-2d78ea7db78d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:09:53.752797Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005760
StatusPUBLIC

Content hashes

Canonical textfcca11bf89e18af450eb294e82cb891834cb04b8ba337837312f7da9a40efdb0
Markdownd27d160244846c564d4b2e0610c19df402a6664ed79c8bd7341c5eef39f76484
PDF
Publication pageada3c996d397d6b544405d6fd227c45a935a5953ca3c980dc2927189ae9cc361
Manifest2aaf60549375202470d5557b89336213ee6e1fa2b0298820ec79203d650c76c2

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
Signaturev4fPTDw6jYlhsb84qXNz0avxJmuAU/cCos0heoHkHlXNtRHoGq6ghfvOuVvvKqvSwP8i2oSsiCc8/8VRCuKlDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:03.131496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005760
observed ada3c996d397d6b544405d6fd227c45a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:02.998453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005760/manifest.json
observed 2aaf60549375202470d5557b89336213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:02.986668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005760/publication.md
observed d27d160244846c564d4b2e0610c19df4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:02.973782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005760/publication.txt
observed fcca11bf89e18af450eb294e82cb8918...
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.