OpenTechnical

OT-2026-000102122

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pulsed blow-off after set-down

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-2026-000102122) never changes.

Identity and time

Publication numberOT-2026-000102122 · never reused
Internal UUID01a0aea4-50f2-7c80-b2e6-59184897b1ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102122
StatusPUBLIC

Content hashes

Canonical text96b89c9d40744fda4cc3b1b04e704f034ea6e9e365d514267c1cb36632823b8f
Markdownb46c101d54df5c4b2118a73d3c3d76cbe3e80277ab16b501a0a910a650ee270e
PDF
Publication page229cc27ff90a8c91c08618a55a83ee8bb4b1f6aa5642341ddbfde7cbb52f5498
Manifest94a5ed5eacb292b8a077ded82d99edf493a92210af37233305f9d1fb5a8e91a9

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
SignatureYrYNyi26GEuPfgRaymZl5b2EJyprBLbAwhx7Yf1OvVdg+yj7k36CBDOAPKGB/UkzC8rWHdrtGx0ZiUnMfvdBAw==
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

2026-09-17T09:25:16.780601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102122
observed 229cc27ff90a8c91c08618a55a83ee8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:16.761882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102122/manifest.json
observed 94a5ed5eacb292b8a077ded82d99edf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:16.742714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102122/publication.md
observed b46c101d54df5c4b2118a73d3c3d76cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:16.724530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102122/publication.txt
observed 96b89c9d40744fda4cc3b1b04e704f03...
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.