OpenTechnical

OT-2026-000047575

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000047575) never changes.

Identity and time

Publication numberOT-2026-000047575 · never reused
Internal UUID01a0ae7f-3e59-7b20-96c3-44a02e9efc35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047575
StatusPUBLIC

Content hashes

Canonical textf90b758dcd221bc5d5fd7d03b5b493b5628b66b8715d8f38e83147b645bbab51
Markdown05a8f3a5a797eb0cdb950c9b25a3103a74a793e4ed3dee6005696b1097283b24
PDF
Publication page778b7adbeb76e3e5a295c39175226df36c78036a83e21ed92e0435e746ce371e
Manifest7c87cc6ba36ab778887e12d9bb918d785c08ce696ac37d02e0904a926bcaba8b

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
SignatureCaeZkd4FEa3SJDtjG1OcxDRhdOC4j9EGVm78bbc+u2YA6qavWGEGANEhk3r0GJnaZXYiyPhOt6A2Do5JszqqAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:06:42.113358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047575
observed 778b7adbeb76e3e5a295c39175226df3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:42.092272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047575/manifest.json
observed 7c87cc6ba36ab778887e12d9bb918d78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:42.072792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047575/publication.md
observed 05a8f3a5a797eb0cdb950c9b25a3103a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:42.052585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047575/publication.txt
observed f90b758dcd221bc5d5fd7d03b5b493b5...
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.