OpenTechnical

OT-2026-000094613

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000094613) never changes.

Identity and time

Publication numberOT-2026-000094613 · never reused
Internal UUID01a0ae9f-2deb-7450-87d6-e145033ea91f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094613
StatusPUBLIC

Content hashes

Canonical textce330b5875062332d4a8fbea11691811542f111d11c9a33b77a1ab32d0ce44a0
Markdown25577feebae42b6d2b5d694b7a36ade08b420cac7a667f1ee07b1ed4d2dd1d3f
PDF
Publication page40a795b3102e1a8677916e8fdb07f2bc042327514c0d38503904a13276aa7814
Manifest11b80376d998ef2043cadd0b9ef8d5b88e42cc56a619f1e3f0dc25f5c78c6b81

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
SignatureGn+aJvDVoMGMJ7XGNlYVBH0FdkY9w63M1ABCQHq8TK1CVTXrGz48LmFW++Ydw/zNDaxUbhxr9bxAsTHzMM44CQ==
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

2026-09-17T09:37:02.993675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094613
observed 40a795b3102e1a8677916e8fdb07f2bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:02.979450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094613/manifest.json
observed 11b80376d998ef2043cadd0b9ef8d5b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:02.963695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094613/publication.md
observed 25577feebae42b6d2b5d694b7a36ade0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:02.948725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094613/publication.txt
observed ce330b5875062332d4a8fbea11691811...
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.