OpenTechnical

OT-2026-000094970

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, 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-2026-000094970) never changes.

Identity and time

Publication numberOT-2026-000094970 · never reused
Internal UUID01a0ae9f-2df0-75e5-992e-b4aca8f42197 · 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-2026-000094970
StatusPUBLIC

Content hashes

Canonical text2a1225c05209b6b8b53da44aa7f4ac66bf0c9f9cd12b72727414a6dc407577e4
Markdown5e1afc93f9634344f7a7506daab5d1e3409b9dd964f2d73e4d7a6abb8e0a113f
PDF
Publication pagea3a213c802ff8630ba286a323ea5630871a9c8c4d159d59906c80284f567346b
Manifest81def8105a9b1ded6ed526c3b491057fe36071a819280344fc5cf346cc60271c

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
SignatureKs1ttPQF1w9hqLd09aexY0ttOMbEm9Qf8mjLBAOA/YfZFm9wcjqj7/7MR81FPg+BSf52jD6aMEF5j1lo46vBCw==
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

2026-09-17T09:37:31.061759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094970
observed a3a213c802ff8630ba286a323ea56308...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:31.044641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094970/manifest.json
observed 81def8105a9b1ded6ed526c3b491057f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:31.022987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094970/publication.md
observed 5e1afc93f9634344f7a7506daab5d1e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:31.005028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094970/publication.txt
observed 2a1225c05209b6b8b53da44aa7f4ac66...
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.