OpenTechnical

OT-2026-000042783

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000042783) never changes.

Identity and time

Publication numberOT-2026-000042783 · never reused
Internal UUID01a0ae7a-c0d0-7a20-a161-63e9f0ff9581 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042783
StatusPUBLIC

Content hashes

Canonical textefe0c51a044dc0cfca372563275f3ccb8344abbed333fb7bd6ce636e48972424
Markdownae6a136d0dfe6633fb6576c87d9afc041ca99d58487a4955784e393b2ee577e3
PDF
Publication page8011574c048e6205c5c43aec5f7d0cfa4d3eb4448aa989a025f431869fa3245f
Manifest22e860f72634b83b039b214cd737b56d0addf8e1363ed0507196d478e32c8263

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
SignatureM050jmZc3U9UH0PJ0EohjONAoAQIhoJ7Vlgsa8jRMNN/X4PXxoFGP1nld0PNmwla3Zp4YS/+Ukxmt697PVEYCg==
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

2026-09-17T11:15:14.798101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042783
observed 8011574c048e6205c5c43aec5f7d0cfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:14.778973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042783/manifest.json
observed 22e860f72634b83b039b214cd737b56d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:14.758378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042783/publication.md
observed ae6a136d0dfe6633fb6576c87d9afc04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:14.737555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042783/publication.txt
observed efe0c51a044dc0cfca372563275f3ccb...
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.