OpenTechnical

OT-2026-000047323

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000047323) never changes.

Identity and time

Publication numberOT-2026-000047323 · never reused
Internal UUID01a0ae7f-3e57-7ded-9d14-0b0668b63c1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047323
StatusPUBLIC

Content hashes

Canonical text0fa98a0c863c1c9ae041682b42c87ef861017c432e5b050922f082fdf242b0d9
Markdown8106800fa4aca08fd9e2386ed8be9fed9511b58aeb52ce2546cd0e4706fd1a3b
PDF
Publication page8f6f048903927bf9f51d3195842242a81f098911d59accd87d089378230bb3e2
Manifest64db493740e3a61ceddc4f5bffc0b3b97c52bdfad69857a9f0596b609ee4367a

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
SignaturezZG3Qobref6s3VgJ91sGzkeiONn2mUSQ1xG8NP81LBpwsfD4t6SjsfJcD5yuV6L3CwHpLPSj3dgsT7JOa/zTDA==
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

2026-09-17T11:06:18.581035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047323
observed 8f6f048903927bf9f51d3195842242a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:18.562812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047323/manifest.json
observed 64db493740e3a61ceddc4f5bffc0b3b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:18.545431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047323/publication.md
observed 8106800fa4aca08fd9e2386ed8be9fed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:18.527838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047323/publication.txt
observed 0fa98a0c863c1c9ae041682b42c87ef8...
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.