OpenTechnical

OT-2026-000100815

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000100815) never changes.

Identity and time

Publication numberOT-2026-000100815 · never reused
Internal UUID01a0aea3-66f5-71ce-a23b-0eca2b338e4b · 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-2026-000100815
StatusPUBLIC

Content hashes

Canonical textba3e24c4372969f1e2ef84f7014f555eaa22ba50867a422b3668d0f8479f39c2
Markdown346f0b4b8167428e641fd179453ab56a207d4f1204eecbf01155662ef52ee785
PDF
Publication paged33cd98af10d81f9c1835789b37926b574d00644a84d3445893085908bb27988
Manifest6f03add5ac7aef656c786298fe593f5a004850444932221331d6cd27dd8db8f9

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
SignaturegHPPpUUsXTuNoC0CMqpXB4o43IZtd5bPG5s1+bJ0DN1nV+xv61ddhzyXniiv4gPnXuxrxEKK+t1LRQMrMXhMCg==
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

2026-09-17T09:27:44.002028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100815
observed d33cd98af10d81f9c1835789b37926b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.982568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100815/manifest.json
observed 6f03add5ac7aef656c786298fe593f5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.963911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100815/publication.md
observed 346f0b4b8167428e641fd179453ab56a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.943939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100815/publication.txt
observed ba3e24c4372969f1e2ef84f7014f555e...
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.