OpenTechnical

OT-2026-000063915

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, 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-2026-000063915) never changes.

Identity and time

Publication numberOT-2026-000063915 · never reused
Internal UUID01a0ae8d-53bb-78bb-b8ca-7a2b3af29244 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063915
StatusPUBLIC

Content hashes

Canonical text0ad98f1901f78941b71034daeea657a4f7728d05cafa1c2c0a427531012bb927
Markdownc2a786873d0ce8a4dc5d421dc72e935ad812b20a87b4ce2a9cbdfb7c5e8e7828
PDF
Publication page47c0745de15364fde5e3c67541531ffd1fcfa1a747fc66158c649ca368fb62ca
Manifest437647f72aefcf1f59bf63fd1a3b0084f3e7e6ae1611e36ae919e16989f0e2b0

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
SignatureXvstph5RVot7Es0nkD72a/iz/1cZcoUnZVj01c46lcVgb+5vt6GWlbZJZ09l6MSD5Mo29fi1rrnVG4HNc/O7Ag==
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

2026-09-17T10:36:57.901190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063915
observed 47c0745de15364fde5e3c67541531ffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:57.884260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063915/manifest.json
observed 437647f72aefcf1f59bf63fd1a3b0084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:57.865704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063915/publication.md
observed c2a786873d0ce8a4dc5d421dc72e935a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:57.847344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063915/publication.txt
observed 0ad98f1901f78941b71034daeea657a4...
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.