OpenTechnical

OT-2026-000095658

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000095658) never changes.

Identity and time

Publication numberOT-2026-000095658 · never reused
Internal UUID01a0ae9f-fac4-7a73-b520-b1e2e8165cc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095658
StatusPUBLIC

Content hashes

Canonical text675abdc028ae16f1c5846dd432c5df43670ef5ed22355aa7efea07741bd834c9
Markdown5cd83e7a9fbe966117f11effcb7871f7c7cd89bb63eb9406461df3709ead3541
PDF
Publication page17c389110882f8cdf40b5ae236c6b399ad478f39ef046c6a35c44add3b700883
Manifest192a1734565628928c454c389368ea7bc81930072341d9eb94b2bd119350ce6b

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
SignatureNJitlNb9IGwQd3iJSi00Y3wfqyHIL13xVyyRQXBSJNc/7c7e9eTZD0Mn0oJ/q2O5UCKZm4scpEMcwBEGfJDqAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:07.594732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095658
observed 17c389110882f8cdf40b5ae236c6b399...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:07.576767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095658/manifest.json
observed 192a1734565628928c454c389368ea7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:07.558876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095658/publication.md
observed 5cd83e7a9fbe966117f11effcb7871f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:07.540109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095658/publication.txt
observed 675abdc028ae16f1c5846dd432c5df43...
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.