OpenTechnical

OT-2026-000100770

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, sustained blow-off 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-2026-000100770) never changes.

Identity and time

Publication numberOT-2026-000100770 · never reused
Internal UUID01a0aea3-66f4-7b98-aa66-4f38777bc660 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100770
StatusPUBLIC

Content hashes

Canonical textbc123b037d157866b6280f183272d1b0633665baa2ea4baf169f0ac6f4faf815
Markdown71864f7dbf3870517c3f6eb5f1987a5e6cb16a6e5a26a1e64ef662d6ddbb941c
PDF
Publication page9c6cbdedf42afdb800b987b271d1d2cd6c2ee3b3d65c9b7f0f39bda323b32c9a
Manifest4b186dc5816f972cd35e3765f1bdcd48459df20ced60a58292598c10540352c9

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
SignatureBRiaCxAqWTP54ujHSvEuEyGHbcKs6TGf65UctALEn6km8z0qO9Xi36JY/pXN5o+0hAqcONfW4uSjW6LnkLySDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:36.595622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100770
observed 9c6cbdedf42afdb800b987b271d1d2cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:36.577779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100770/manifest.json
observed 4b186dc5816f972cd35e3765f1bdcd48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:36.560442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100770/publication.md
observed 71864f7dbf3870517c3f6eb5f1987a5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:36.542549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100770/publication.txt
observed bc123b037d157866b6280f183272d1b0...
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.