OpenTechnical

OT-2026-000095890

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000095890) never changes.

Identity and time

Publication numberOT-2026-000095890 · never reused
Internal UUID01a0ae9f-fac7-7ca0-b361-2cb502ff8123 · 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-2026-000095890
StatusPUBLIC

Content hashes

Canonical textabddd1d7bca087e428ecddd3df8c5fe27b14f9c286d8ac2bff3b45530dfaf0f2
Markdown9256a76d4c69b0833479b760693a4aeac267463bc37d1f2582f39d6046613390
PDF
Publication pagebdf2bbd2808f5fb56e659e7022e2d7e7cc17f837b769afb12b15a5ec3b179fd4
Manifeste1694276f86c9035c450131df5fbd126fe966e1062448461e089c1d134af7547

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
SignatureJ/D04pEzza/Db7lyTFeILUJU12VsjGOpSqfQ6opIrgnOQw0NEEbUE1UlwH6JoMrg3rPcSA3GgBHnle+J5QSzAQ==
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

2026-09-17T09:35:58.974578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095890
observed bdf2bbd2808f5fb56e659e7022e2d7e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:58.955972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095890/manifest.json
observed e1694276f86c9035c450131df5fbd126...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:58.936774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095890/publication.md
observed 9256a76d4c69b0833479b760693a4aea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:58.917889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095890/publication.txt
observed abddd1d7bca087e428ecddd3df8c5fe2...
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.