OpenTechnical

OT-2026-000066399

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, pulsed 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-2026-000066399) never changes.

Identity and time

Publication numberOT-2026-000066399 · never reused
Internal UUID01a0ae8e-ce40-707c-93cb-dddb68f9a8dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066399
StatusPUBLIC

Content hashes

Canonical textfd16483acbc383bf7164fe2a5f36e4358958e7ec2645669f65b03bc1a3378d55
Markdown7f80a0ccc9c08f42be3808674e55e6cd02b5548ddd32f153ee57fc9709abc8ec
PDF
Publication page2eed6649982a6638c793aa6fb44dde9cff682a4971a2d34235e0e2c852e22a37
Manifestdeb0f4c3d0d9094d0a371142da93a5d3f1395c253fa61076602f1194f8f60099

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
Signatureo1hbWo2REu8A02NgcKPa8rk61F342YdvqkJfVVC99njYtcMnxqAFX1OOmCuIz2tvfKqJWAp5AsCSixSazSFmCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:38.030649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066399
observed 2eed6649982a6638c793aa6fb44dde9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:38.013103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066399/manifest.json
observed deb0f4c3d0d9094d0a371142da93a5d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:37.995759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066399/publication.md
observed 7f80a0ccc9c08f42be3808674e55e6cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:37.978108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066399/publication.txt
observed fd16483acbc383bf7164fe2a5f36e435...
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.