OpenTechnical

OT-2026-000066911

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000066911) never changes.

Identity and time

Publication numberOT-2026-000066911 · never reused
Internal UUID01a0ae8f-14fd-7481-be62-46a1b206c9bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066911
StatusPUBLIC

Content hashes

Canonical textd8a24fe09139f48ace0850875f3230c7e6f87d67d17a54c74abcad1681b756b3
Markdown38e6fe3976301e676f184feda7f851d3bce9d4c0a43d0f24f5e22e00797164cc
PDF
Publication page245fb7430d4a5c424bf2cf9f0c23618438e0476d14021cd4786802e070d8b93a
Manifest83e6a89bbeeb1a48f7ea884afc911713d6117d163bd85d8fae440266d54928d8

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
Signature5yn5eNzwi1lpzSWsmLiQHVw425+3KU2KkzBQ6SuS+Q32sAsxneetnRuiFweBHEPjJlENVLLmiANToojMdgeLCQ==
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

2026-09-17T10:32:07.027443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066911
observed 245fb7430d4a5c424bf2cf9f0c236184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:07.008274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066911/manifest.json
observed 83e6a89bbeeb1a48f7ea884afc911713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:06.991595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066911/publication.md
observed 38e6fe3976301e676f184feda7f851d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:06.974574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066911/publication.txt
observed d8a24fe09139f48ace0850875f3230c7...
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.