OpenTechnical

OT-2026-000030766

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000030766) never changes.

Identity and time

Publication numberOT-2026-000030766 · never reused
Internal UUID01a0ae74-3fb4-7f18-9e4b-1149983dde42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030766
StatusPUBLIC

Content hashes

Canonical text341960c480c394f4597105286f067574bc052f27be717ad2058d47a57145747e
Markdown5371e9ad6f37cd180034ec4275c1dd7865c4cd3ec9aec67a19a81cd2c6d89d13
PDF
Publication pagea9b9b51250b379012a66d5122d378569c9631c4c5a3c54a71864a7c1a8aab46f
Manifestc21e3b09f83bdcc77c0ebb09f11bc7dd94cfaadf41a660b77bd53a815d07cf0b

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
Signaturec4XN4OXd/hEz3OQ+lC2WKHSlWkZmBQWUKEodT4fOkeVTMxC0hgxvHWba7zfd5AWvfZjep8ytJKfX9JmrNlF+DA==
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

2026-09-17T11:36:43.234700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030766
observed a9b9b51250b379012a66d5122d378569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:43.218483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030766/manifest.json
observed c21e3b09f83bdcc77c0ebb09f11bc7dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:43.200872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030766/publication.md
observed 5371e9ad6f37cd180034ec4275c1dd78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:43.185410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030766/publication.txt
observed 341960c480c394f4597105286f067574...
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.