OpenTechnical

OT-2026-000044429

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after set-down

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-2026-000044429) never changes.

Identity and time

Publication numberOT-2026-000044429 · never reused
Internal UUID01a0ae7c-39d7-7689-9d70-3fe04445496f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044429
StatusPUBLIC

Content hashes

Canonical textc2c1f41a824feff1e1f6e87feb9412bd926c769af15bdd0a296ea489cd9f5c9e
Markdown7c55e00fb7eaed0da3d9cbc63551179c3ce42c84d2c1a21130190af53c1959df
PDF
Publication page380cae5b37d9b74caab30e587ec441b58d6e56cd8db9bee903d00ee5e54119a4
Manifest4416ac4765ce11c542cfb0787cc063e358cfef8e47c8258b020a598a65e05f8a

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
Signature0um4tS8zXRIoklGtDx7/fLbUHMApzCb5bmJoog16KvVDm9lIKEd/hOY2e2qkeO1rS0QRiE6lsqtZouc7Z9gICQ==
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

2026-09-17T08:30:44.582446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044429
observed 380cae5b37d9b74caab30e587ec441b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:44.564547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044429/manifest.json
observed 4416ac4765ce11c542cfb0787cc063e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:44.545882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044429/publication.md
observed 7c55e00fb7eaed0da3d9cbc63551179c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:44.528438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044429/publication.txt
observed c2c1f41a824feff1e1f6e87feb9412bd...
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.