OpenTechnical

OT-2026-000097195

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, supply line 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-2026-000097195) never changes.

Identity and time

Publication numberOT-2026-000097195 · never reused
Internal UUID01a0aea1-01ca-7cdc-ac7a-8f623babfc93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097195
StatusPUBLIC

Content hashes

Canonical textbf91875b9d03b2107d2046ba322b0055cd4616e24fb6554ba7104f52a4f56ced
Markdown12f4ccbf7a4ada1fee95a0c7c75515c1c1029e19e08104a511a6bdb2aec27e3a
PDF
Publication page7bc101b0db00ce27e0a330b4dcbc3c9baecefaac1bbfca98197cb33ca8b64a25
Manifest8d6c4086bad9d87d1c82909b386b03636225395c42838b05897dcfaecdd09dab

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
SignatureJ7sNijX9QEgYtZd2BqgWuDte7EJm8XOHYMnHcujZxDBRsj1bD/jrxw0ehQbO0FzvCEjjIWQ4TywPmPs3HlhpBw==
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

2026-09-17T09:11:05.124464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097195
observed 7bc101b0db00ce27e0a330b4dcbc3c9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:11:05.107256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097195/manifest.json
observed 8d6c4086bad9d87d1c82909b386b0363...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:11:05.089442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097195/publication.md
observed 12f4ccbf7a4ada1fee95a0c7c75515c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:11:04.943911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097195/publication.txt
observed bf91875b9d03b2107d2046ba322b0055...
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.