OpenTechnical

OT-2026-000066109

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000066109) never changes.

Identity and time

Publication numberOT-2026-000066109 · never reused
Internal UUID01a0ae8e-8dc3-7604-81dd-0682ce891a13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066109
StatusPUBLIC

Content hashes

Canonical textdb270491c7f07ca6c6c385af8d40e6076791db7abcf0007984680656111388b0
Markdowndcacba7a7be6ac3a9243f9009949470789e9a8d72cea039b11cf92b589fc2c67
PDF
Publication page02bf81695190294831dd312bb4b29e5f6b3d930d3b9fdf992fc402af5f22491b
Manifestcee1a1f996eef142229c8e356b8549acd02046eda17a42a7f351b166e76013a1

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
Signatureiwisp/FfLJVwd+R5UAh+QFiAsPowTzWoSYeSS5+KFHLeduU/7Gtzmr5bwRoyTZla85h70ysctMLAsactuo13BQ==
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

2026-09-17T08:50:49.515139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066109
observed 02bf81695190294831dd312bb4b29e5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:49.497820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066109/manifest.json
observed cee1a1f996eef142229c8e356b8549ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:49.478511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066109/publication.md
observed dcacba7a7be6ac3a9243f90099494707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:49.337864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066109/publication.txt
observed db270491c7f07ca6c6c385af8d40e607...
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.