OpenTechnical

OT-2026-000049682

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000049682) never changes.

Identity and time

Publication numberOT-2026-000049682 · never reused
Internal UUID01a0ae81-8fee-77c7-8fc8-70c65214ba9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049682
StatusPUBLIC

Content hashes

Canonical textf9cd6d3d0cd7b48f9dbc30baccc7bc5ede6b635638994dbbdc47c6f8a3b8879a
Markdown56ee7bb1fa894bb7bc224f8ec8bdcdd90f9f71fbbdbeb32e3e0bc67c660c4663
PDF
Publication page067c8b45e4390f0194706948b0336128cc32aa0dc8f4677578e1ffc63f0719f3
Manifest1b87beaff5a62caa9c0b0a2221d7434ac506c96216f8a79d714a5e5bd722472b

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
SignatureNrzteG6wgX1nSZBO69whKOtQpQb/qtAeGTUrRqkYiJitzgqKGQTnK05u421lQGLi4CMpkqVhnleNQGeWTXEYCg==
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

2026-09-17T11:02:41.439755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049682
observed 067c8b45e4390f0194706948b0336128...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:41.421931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049682/manifest.json
observed 1b87beaff5a62caa9c0b0a2221d7434a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:41.404408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049682/publication.md
observed 56ee7bb1fa894bb7bc224f8ec8bdcdd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:41.384642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049682/publication.txt
observed f9cd6d3d0cd7b48f9dbc30baccc7bc5e...
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.