OpenTechnical

OT-2026-000034338

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000034338) never changes.

Identity and time

Publication numberOT-2026-000034338 · never reused
Internal UUID01a0ae75-df0e-7ff8-b2a4-0a3aa573b8c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034338
StatusPUBLIC

Content hashes

Canonical textfb5b522b57682b8903e69175912b74403ef96937eeab16ee2ad7828a6edb7d2d
Markdownf5d8162027ffc9fa7f18c9e09c9869db1f1a8bcb7045fc47b9e6cbd242fd9268
PDF
Publication pagee4cd330769eaf07b81f58b07eeba5861a70ac3992c98326bf427c088dd709eed
Manifestc982221070d0ece51f11a3f9c8c86748a11bcefbea5a0e3f749c2249704f90f3

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
Signature9tHBnqQw9ziqZoLWPK+D3mCualvc2gyeTa3D1m+s9E63R6vNJJfd4c/B/JNgG5eO5P7l41L4+ONhFQgep7SsCg==
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

2026-09-17T11:31:02.173813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034338
observed e4cd330769eaf07b81f58b07eeba5861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:02.154303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034338/manifest.json
observed c982221070d0ece51f11a3f9c8c86748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:02.130917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034338/publication.md
observed f5d8162027ffc9fa7f18c9e09c9869db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:02.107985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034338/publication.txt
observed fb5b522b57682b8903e69175912b7440...
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.