OpenTechnical

OT-2026-000044227

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000044227) never changes.

Identity and time

Publication numberOT-2026-000044227 · never reused
Internal UUID01a0ae7b-d67b-741d-ae33-ce8a36817fac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044227
StatusPUBLIC

Content hashes

Canonical text0500076414180669650ead650502746f18ee179a8c3bfa9a299dcda380bdd402
Markdown39c5c0f35e7aab515efc7c74dd86c1b33e9e3f0808bbb074b40bfd75299eb402
PDF
Publication page5b5de30cbd7c07f185fd99146e7dbd115b544170cc1e04d183a7350367169497
Manifest1dd8333eebe827488463751336d2d2ba748b524891f11e25be6815b22a5b5793

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
Signatureo3amSeS5k08Mioz8+C6PML1lgSZ88e2V4pKjcoiXd9/dzkY5AOJQEfCMzul7dCCoDkuXxo4CxEsnlvLUzC9NCg==
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

2026-09-17T11:12:47.316149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044227
observed 5b5de30cbd7c07f185fd99146e7dbd11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:47.298504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044227/manifest.json
observed 1dd8333eebe827488463751336d2d2ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:47.279417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044227/publication.md
observed 39c5c0f35e7aab515efc7c74dd86c1b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:47.259792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044227/publication.txt
observed 0500076414180669650ead650502746f...
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.