OpenTechnical

OT-2026-000068976

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000068976) never changes.

Identity and time

Publication numberOT-2026-000068976 · never reused
Internal UUID01a0ae90-6dcd-7c45-8c5d-1d571eb8fcab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068976
StatusPUBLIC

Content hashes

Canonical textf57183dc141099356bea97824d9105e79c0ee7e8a77516ad6e5e3332c51ef844
Markdown8cd411bd56d954fa84fd8c6b143a9234ddfd5a498758449e9e76d22075731411
PDF
Publication page812ac9591f3dfa2a84a36e57e4224de40360e8d0a6912b0fb54e4ea880b4ca52
Manifestce2f928bcdf780d9c8cb6cfdc4226eb762a869d482ef011bb9cd52596298e158

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
SignatureHy0+g44UQEzvg9BZAiegaAUXHhFoQaLel8V+UEeyMPcIKq2FwVunZ2ZFEcGxm/vC/qH8JywcUSXYHvveWsxaBA==
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

2026-09-17T10:28:48.915064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068976
observed 812ac9591f3dfa2a84a36e57e4224de4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:48.898120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068976/manifest.json
observed ce2f928bcdf780d9c8cb6cfdc4226eb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:48.880233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068976/publication.md
observed 8cd411bd56d954fa84fd8c6b143a9234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:48.862257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068976/publication.txt
observed f57183dc141099356bea97824d9105e7...
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.