OpenTechnical

OT-2026-000030689

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000030689) never changes.

Identity and time

Publication numberOT-2026-000030689 · never reused
Internal UUID01a0ae74-3fb3-72b9-84e5-8d1e149e04f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030689
StatusPUBLIC

Content hashes

Canonical text257e772bdb2af8db824138badb8a37628ce846161dff051a403b2e0aad055f9b
Markdownabf3888124e74db7ff9d0e850298c07b6f6483783c9424cb11e701eb33b6287c
PDF
Publication page70fc240d7b3b0ffc57e419b13db4a3fb071d42d02597b5dd7d3e76c47a9d4da2
Manifesta4c6307e4b05faff71a66b37529bfbcbd9abf079a0b0ac5cef7db913ce409ba9

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
SignatureOO8w7fz/JaJCy6xr5DeMsAjAhDNOU0Q75mIkboYcgfL+cGiXIfBwlkA3JaAaoNyR5hoIsb4GwyIw7e0ihFhgAw==
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

2026-09-17T11:36:35.245658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030689
observed 70fc240d7b3b0ffc57e419b13db4a3fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:35.226980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030689/manifest.json
observed a4c6307e4b05faff71a66b37529bfbcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:35.209277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030689/publication.md
observed abf3888124e74db7ff9d0e850298c07b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:35.193379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030689/publication.txt
observed 257e772bdb2af8db824138badb8a3762...
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.