OpenTechnical

OT-2026-000095426

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000095426) never changes.

Identity and time

Publication numberOT-2026-000095426 · never reused
Internal UUID01a0ae9f-8f73-72ce-a1c5-63d4466f554b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095426
StatusPUBLIC

Content hashes

Canonical text97cdbabc43c521944f4e24b8dcad51582f4fdec4326e603fb974b37fcd8810d3
Markdown8fc61196a2f569b6a81db7ac00f1c0a39f98573337ae82a62df711db860aad9d
PDF
Publication page9e283afc0b5fb3b0cc65c7d5420c5312def9e5ac2585e119bb057935bacc65be
Manifest01110ae4c8257c2f457970111bba6e0fa97322289701457d0a9a471195519623

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
SignatureetIJrKhKYoV+b3SraQVcL5kALtKvKolUo44goAROMxqA0k/iE4SyMrRydWYN4YDS1g99/oPa1tNBFj1nJNXjCw==
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

2026-09-17T09:36:48.293793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095426
observed 9e283afc0b5fb3b0cc65c7d5420c5312...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:48.276483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095426/manifest.json
observed 01110ae4c8257c2f457970111bba6e0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:48.260467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095426/publication.md
observed 8fc61196a2f569b6a81db7ac00f1c0a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:48.244196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095426/publication.txt
observed 97cdbabc43c521944f4e24b8dcad5158...
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.