OpenTechnical

OT-2026-000088522

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000088522) never changes.

Identity and time

Publication numberOT-2026-000088522 · never reused
Internal UUID01a0ae9b-5d28-7557-bf05-98933ca35519 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088522
StatusPUBLIC

Content hashes

Canonical textcc07f3230b1b5dcc9f3047fb6a4581b6e9fc1c4b6ce9df142da15a39523b0b7c
Markdown1c250ec1feddbf848e5d06352e76621318f8eec7ec803effbc968fb685c7ae1c
PDF
Publication page0d3805e3f6087edb9467a82788a1366f802a291189f8fd4b3f4bd96ede807670
Manifest4e4f551dc50e3e1935a5a1b5cea69a63a20df30b03f8632a20b02df1450a61ff

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
SignatureLbucfM1zPaJjTGZrBq08eQGtgZa/tBCYVj7dy91lg0hkHYG5+GcOjWsO9njMOKhYOdGjmlaaq+Yu0wxa/msJCA==
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

2026-09-17T09:48:55.156816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088522
observed 0d3805e3f6087edb9467a82788a1366f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:55.137637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088522/manifest.json
observed 4e4f551dc50e3e1935a5a1b5cea69a63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:55.118028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088522/publication.md
observed 1c250ec1feddbf848e5d06352e766213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:55.099627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088522/publication.txt
observed cc07f3230b1b5dcc9f3047fb6a4581b6...
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.