OpenTechnical

OT-2026-000069204

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000069204) never changes.

Identity and time

Publication numberOT-2026-000069204 · never reused
Internal UUID01a0ae90-6dcf-7e8d-a541-9415c7c32a3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069204
StatusPUBLIC

Content hashes

Canonical texta532fae3c530b1ea4ffd74ba6b039cd3bc168dabee01ae713bbff7a65e718935
Markdowna4aee604263e4bad8fd1beadee74d1216e726cd546a119cacd1f590c807bb72d
PDF
Publication paged3c392cb7ad71358d261e7e58ad9268f28466c77d525fdaae3321769bbdbe2e2
Manifest8702bae091f92f0ef4091061aa71edd6070ddf1791ffda164befc1550d7e27f0

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
Signatureq4Qc/znS6PACeixGugPMgz7meRTAdLBnJYB1ZhlqoT3y7EsO0iiZKUUt498jEptyOsaPxpf3fRZy6HsWx0t3Dg==
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

2026-09-17T10:29:12.793732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069204
observed d3c392cb7ad71358d261e7e58ad9268f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:12.773988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069204/manifest.json
observed 8702bae091f92f0ef4091061aa71edd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:12.756571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069204/publication.md
observed a4aee604263e4bad8fd1beadee74d121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:12.739535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069204/publication.txt
observed a532fae3c530b1ea4ffd74ba6b039cd3...
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.