OpenTechnical

OT-2026-000026191

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pulsed 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-2026-000026191) never changes.

Identity and time

Publication numberOT-2026-000026191 · never reused
Internal UUID01a0ae71-a841-7bd6-9752-d0276e90507b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026191
StatusPUBLIC

Content hashes

Canonical text9d220acd82e2612248ebc1ce88aa0b2aa2f975f928777ef0b7036bce74072b27
Markdown30b83eb4c212aab9d800548a3eec76c26e6f13ec73f82c54d73c5f4319cbd647
PDF
Publication pagec10e9430690fc737161d690dafd849c600d6b95c769e06a24f6ff11a1a8cd7b6
Manifestd8ba2f463d9609285479a1d56694dac3c6ed3ca13bf77d3d69882b6a412c1266

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
SignaturehGp09Y8VrGT3KNdR3LBiKe+ebACYqf+ll5QN6eJ5pKOi16iH85aRCwayMvn9NX04ThL9GZTVgfMmyXF1oJAOBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:42.265609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026191
observed c10e9430690fc737161d690dafd849c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:42.248401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026191/manifest.json
observed d8ba2f463d9609285479a1d56694dac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:42.230991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026191/publication.md
observed 30b83eb4c212aab9d800548a3eec76c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:42.213625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026191/publication.txt
observed 9d220acd82e2612248ebc1ce88aa0b2a...
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.