OpenTechnical

OT-2026-000084397

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, sustained 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-2026-000084397) never changes.

Identity and time

Publication numberOT-2026-000084397 · never reused
Internal UUID01a0ae98-5b62-7ace-8954-e1293c2aada8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084397
StatusPUBLIC

Content hashes

Canonical text33fa556da1dce3b6b1694c6f2a2f7e95a130af72f76afe6d1a2ac78b41e3dcee
Markdowna477e30f810cdcd6ef2e6b22ba199ea9d0ec0a1c19e2dc7108aa1c6d14559a9c
PDF
Publication page51896ec36c8901828ac5f468cd1fdb1e775b4e5492f9b8447c04e57b1bb7c478
Manifest68f5695460e1ef556539eb385d0ff3ed92c4fcc280581f5c2e6b0daefe8e3297

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
Signaturenew8bzfBZk3jSTWWJ6jO/89euH3HNjo9TpLKFXG+tFLlvRTfe53D4Wfs45nzA+UtYxAW1+ocmIMUuv9K+muGCw==
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

2026-09-17T09:56:20.506709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084397
observed 51896ec36c8901828ac5f468cd1fdb1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.478565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084397/manifest.json
observed 68f5695460e1ef556539eb385d0ff3ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.458052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084397/publication.md
observed a477e30f810cdcd6ef2e6b22ba199ea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.408387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084397/publication.txt
observed 33fa556da1dce3b6b1694c6f2a2f7e95...
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.