OpenTechnical

OT-2026-000071771

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000071771) never changes.

Identity and time

Publication numberOT-2026-000071771 · never reused
Internal UUID01a0ae92-1e91-778d-9552-4f7a8d63027b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071771
StatusPUBLIC

Content hashes

Canonical text3759827e5039b506c007b7c6048c860084cc6a90e9e9a765fddca09f410a89fb
Markdowneecce180c8bac98bff23a1fcf8f6391207e3fdd2a332d9829e19060ad215cada
PDF
Publication page8d5af8e0de3496d274b5465efda92451bd3028f2199cc01ab96ca14182270dbb
Manifest064d40a6c41b6ffda76c9d79f3dc48791e0d9ed64d63a472b03bd9db5a9fffbf

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
SignatureP0sxV68jA4u+Pw/Yb/a0XWf9uxx3V2np8ch1GJE98RVSPeDz+n+Xr4dN+Xl8T4D6PRsyY+9DqOv0XoQAUzkPAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:56.003501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071771
observed 8d5af8e0de3496d274b5465efda92451...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:55.987647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071771/manifest.json
observed 064d40a6c41b6ffda76c9d79f3dc4879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:55.970132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071771/publication.md
observed eecce180c8bac98bff23a1fcf8f63912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:55.953529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071771/publication.txt
observed 3759827e5039b506c007b7c6048c8600...
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.