OpenTechnical

OT-2026-000043942

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000043942) never changes.

Identity and time

Publication numberOT-2026-000043942 · never reused
Internal UUID01a0ae7b-d678-72e2-bfde-bdfd8cd5e8b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043942
StatusPUBLIC

Content hashes

Canonical text8a3d35d7426727b711afca448bad4adae3ff89ffac940fad5e8a5944771771be
Markdown95cd34c06dfb3f022af9b401dadbdc2e95e572837b0cc6b51cd81bbf6fab4b3e
PDF
Publication pagea34a6284e390f0ec8de5b396cd25fefea5263279712bbeaa804cb63797bdbbe9
Manifest1873824afa349556e62f0fb5372e34ce57b87d675cfb43bded527cc4aadf85dd

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
SignatureXdkvZl6JW2B5M13fr1k0BInpyZfTp5zhVeacojSUhoczw456ki3lMfWAARRILCtS1OYU1yziJwqsExuVL+I0Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:17.667944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043942
observed a34a6284e390f0ec8de5b396cd25fefe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:17.648437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043942/manifest.json
observed 1873824afa349556e62f0fb5372e34ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:17.628888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043942/publication.md
observed 95cd34c06dfb3f022af9b401dadbdc2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:17.608193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043942/publication.txt
observed 8a3d35d7426727b711afca448bad4ada...
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.