OpenTechnical

OT-2026-000097809

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump 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-2026-000097809) never changes.

Identity and time

Publication numberOT-2026-000097809 · never reused
Internal UUID01a0aea1-92f6-7ded-9e32-8607a2800f0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097809
StatusPUBLIC

Content hashes

Canonical text8bcd2e1e79d8c8d26a0c4f7159c72f298f88e6ebe6dee36c668e9821c1f82185
Markdown640b8df22adb19375fe7d12bbfaa139b9a222abb1bac9ee3b35aeed473488b96
PDF
Publication page6d91aa004fd0c4fa53dee90892c5f276c09d1ef531b2f39669c646edbca8c082
Manifest86a4ccfeaa125d8b384de177c85738182bc1f9ff366cdd412f2832e78df41b4c

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
SignatureSkJNI3aX01D2sWpzjnTZaTEUGie6ThxCejy0zYZf9dvGjZyn61J3SVcHK70d6xFxFe0Jue1do8dP+Cf3RBwJBA==
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

2026-09-17T09:32:53.819521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097809
observed 6d91aa004fd0c4fa53dee90892c5f276...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:53.800796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097809/manifest.json
observed 86a4ccfeaa125d8b384de177c8573818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:53.782099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097809/publication.md
observed 640b8df22adb19375fe7d12bbfaa139b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:53.762578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097809/publication.txt
observed 8bcd2e1e79d8c8d26a0c4f7159c72f29...
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.