OpenTechnical

OT-2026-000037220

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000037220) never changes.

Identity and time

Publication numberOT-2026-000037220 · never reused
Internal UUID01a0ae77-7741-7f93-aeae-0ffd01be506f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037220
StatusPUBLIC

Content hashes

Canonical text7a2c91961b14651d4a71acef02264c73059c45ef185837c1b94b49eee2f0ec99
Markdown14c4b5a00e4d47654fda446d5309f4b059d4b62368ec4bd14bf19efef6786718
PDF
Publication page6d7182fcc91c96757ef02b8f3dd8f43bad77e2c0ec65ffe893bcc6fb82fcd057
Manifest85709a5b29b2729221d06b1700a21e83be4f9aebc1e902cb33e831961808f721

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
Signature7+BuRb7p53m3qSF4SCtA5Y5/oy5u9t1AAhwrYdnWdE304dsHq6R7kKKHPGa/F2MsFZYvP1pdRiwtAebEPEJ/Cw==
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

2026-09-17T11:25:06.673203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037220
observed 6d7182fcc91c96757ef02b8f3dd8f43b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:06.658509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037220/manifest.json
observed 85709a5b29b2729221d06b1700a21e83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:06.642745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037220/publication.md
observed 14c4b5a00e4d47654fda446d5309f4b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:06.624933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037220/publication.txt
observed 7a2c91961b14651d4a71acef02264c73...
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.