OpenTechnical

OT-2026-000034156

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000034156) never changes.

Identity and time

Publication numberOT-2026-000034156 · never reused
Internal UUID01a0ae75-df0d-7b7a-9744-d5d8eab3fae5 · 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-2026-000034156
StatusPUBLIC

Content hashes

Canonical textf5820d1fb1e53fbb68a668a1e60954b6b44d36dee08271522e0d378f4cb7d068
Markdown9b76f1666e082b8074fc984333b9e03d0b3082f49238712b81d4efd964835405
PDF
Publication page02a8673b79f3d196118a98d74d08e962bc500f7366cd36c0e4bfaa96b70c6068
Manifestc074d450fe5f7289270333543d740558f83d5bd87f3cbb77d53ea8be7bd3ef5e

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
SignatureefN+519thJMm2ut9F4g8vXsPsy9uIjketQ/WzVJ/b50IcSKUBYzU+fcjczQYGGGl5+KORRY7qwr9TfatsxFjBw==
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

2026-09-17T11:30:33.463531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034156
observed 02a8673b79f3d196118a98d74d08e962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.443774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034156/manifest.json
observed c074d450fe5f7289270333543d740558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.419504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034156/publication.md
observed 9b76f1666e082b8074fc984333b9e03d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.401773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034156/publication.txt
observed f5820d1fb1e53fbb68a668a1e60954b6...
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.