OpenTechnical

OT-2026-000075901

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000075901) never changes.

Identity and time

Publication numberOT-2026-000075901 · never reused
Internal UUID01a0ae94-29ff-75fb-bdc1-e864585c0918 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075901
StatusPUBLIC

Content hashes

Canonical textb3b5d389d35150d37350260bc52549b1768ea23fde54c589c12d1776d84c2c12
Markdownd7284b08e78dd89268a909a902b243859ee7240e4c15c0a5f2b5b1bd9bfd8d14
PDF
Publication paged2cca6c8556ff5a226b57fc2652d562b58f472dee3a4eacdf79911d09facce1e
Manifeste0aa9bb331b1c7d9f1af3e0f9fdf8cddb7a941ce4716babf8bd83c29b77fa760

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
SignatureNJUyLVKJcpSpF0XcQmDx2B3k98MRI2aCM6COjPrN9qrmhjT6TdYaLyYL9E7y9afbbCrRe+23WniWjEUwQ5UnAw==
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

2026-09-17T10:14:42.696670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075901
observed d2cca6c8556ff5a226b57fc2652d562b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:42.555191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075901/manifest.json
observed e0aa9bb331b1c7d9f1af3e0f9fdf8cdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:42.537654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075901/publication.md
observed d7284b08e78dd89268a909a902b24385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:42.518911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075901/publication.txt
observed b3b5d389d35150d37350260bc52549b1...
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.