OpenTechnical

OT-2026-000007357

Publication integrity record

Vacuum cup gripper, per zone isolation, 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-2026-000007357) never changes.

Identity and time

Publication numberOT-2026-000007357 · never reused
Internal UUID01a0a97b-eed3-7d8c-a3e3-88a60b882fb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:11:06.709861Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007357
StatusPUBLIC

Content hashes

Canonical textf539d1599b38855c3068113530936300954a7d6951345b462ef8f75734697202
Markdown8bc170ab674d2b2c284b9555503f1d17aad09e8ea6b5703bc2a41d67b6d8b5eb
PDF
Publication page9da2112d3971bb8723b44a069328a5b5faac249b518d56ed853707b9f5345945
Manifest91783be92b86ea23cffdd658da189f6660d8570bd698f5b2d31bd7cc469572c0

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
SignatureDlHkrnVVMbUXdve0bANTbETAtAXSWSVeYI82/vi5fzrdGX0DemHf2kcudTrtns/YeqvjlwoK2/DLeMLrRCGNBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:09.884442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007357
observed 9da2112d3971bb8723b44a069328a5b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.870297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007357/manifest.json
observed 91783be92b86ea23cffdd658da189f66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.857755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007357/publication.md
observed 8bc170ab674d2b2c284b9555503f1d17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.844227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007357/publication.txt
observed f539d1599b38855c3068113530936300...
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.