OpenTechnical

OT-2026-000100038

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, 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-2026-000100038) never changes.

Identity and time

Publication numberOT-2026-000100038 · never reused
Internal UUID01a0aea3-1474-769f-bd99-a81b8c249610 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100038
StatusPUBLIC

Content hashes

Canonical text9b98fd7f5133f6ecfdf67a82e8b9a278e619e21c5272e4524c802c8774f4d579
Markdown3c16adfc2fc1497f529def2f26994598b7fe8be6d60debaf6cea0db7c20606fe
PDF
Publication page28d5915e75e4cc62cd0b16e466b93dfca26b38e174bcea7c5c02aed2bafd8507
Manifestbf5692d48a6e4914a580fb4d1387c7ae9609117cc94b2ea921c2a8de009b2206

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
SignatureZ25bWwtH/n9IGkjRPzA9U1o6ed+Ppa4oncbodjr/LxXyHOSQBITyFPKgEOn4TE0vFjmr2dFftcipHVb+4eS+AA==
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

2026-09-17T09:28:58.540831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100038
observed 28d5915e75e4cc62cd0b16e466b93dfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:58.522673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100038/manifest.json
observed bf5692d48a6e4914a580fb4d1387c7ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:58.505774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100038/publication.md
observed 3c16adfc2fc1497f529def2f26994598...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:58.487750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100038/publication.txt
observed 9b98fd7f5133f6ecfdf67a82e8b9a278...
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.