OpenTechnical

OT-2026-000102207

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, pulsed 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-2026-000102207) never changes.

Identity and time

Publication numberOT-2026-000102207 · never reused
Internal UUID01a0aea4-50f3-7659-96a6-b30fbafda9c8 · 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-2026-000102207
StatusPUBLIC

Content hashes

Canonical text32339510141e6d028a9f0b178c901fd555277a93e0c2d9c0186a9c961076e9f8
Markdownb34c6e6d19cfbbd3e6fc6c5fa02742c21e8d90ce91ebaf2d46ce89200b116cdb
PDF
Publication pagea10cf863532ec950d72acc6d60841a9159ff14a5a98a2101f934b0f403603b7d
Manifestbd9a56fc10c18e8596fe9e2ba8268e0ba25e132457f2ba37e5d2894d64a4448a

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
SignatureCzBz8mLZeMCeWAGxF9h3bXj8g2F/YlrX3dDCnvtI2BsNmGhBKLvu6KvcyBB9dirf/6+HQI2yLOx5bYv5ad1WAg==
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

2026-09-17T09:25:22.894803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102207
observed a10cf863532ec950d72acc6d60841a91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:22.877158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102207/manifest.json
observed bd9a56fc10c18e8596fe9e2ba8268e0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:22.858590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102207/publication.md
observed b34c6e6d19cfbbd3e6fc6c5fa02742c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:22.839602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102207/publication.txt
observed 32339510141e6d028a9f0b178c901fd5...
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.