OpenTechnical

OT-2026-000084607

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, sustained blow-off before set-down

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-2026-000084607) never changes.

Identity and time

Publication numberOT-2026-000084607 · never reused
Internal UUID01a0ae98-e25b-77c1-9295-eada5570b4ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084607
StatusPUBLIC

Content hashes

Canonical text5b79be017462fe7e1314b989ed6060ac20e95241bba31ae3af7096c7f9f64fd8
Markdownece4ffd946d32daf7b80f7a1d6af7b4aefded0baa546acd6245a6d86da4ca121
PDF
Publication pageec0f354b215a8cc190011a4f5904d8ade41bc8fd3c3376b851f95901cc76c789
Manifest28a36ffd4a920bccd2aa1dea877869c149714de42197d8241dc19e7181919da5

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
SignatureevGZ2L3ibejvGvjFVVewVEeUf+WZmQu8AYI+QdcNnSffPBJq7Omkpd3jZzsZwigeAKlITkUE+ta8tGfx72VBAw==
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

2026-09-17T09:55:30.997180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084607
observed ec0f354b215a8cc190011a4f5904d8ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.977044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084607/manifest.json
observed 28a36ffd4a920bccd2aa1dea877869c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.958392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084607/publication.md
observed ece4ffd946d32daf7b80f7a1d6af7b4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.939380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084607/publication.txt
observed 5b79be017462fe7e1314b989ed6060ac...
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.