OpenTechnical

OT-2026-000075559

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000075559) never changes.

Identity and time

Publication numberOT-2026-000075559 · never reused
Internal UUID01a0ae94-29fc-7ef2-933e-f0fff518f42a · 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-2026-000075559
StatusPUBLIC

Content hashes

Canonical text808485232047c4c3e80c410edd56ab05fcb34d7629e739d68c5cac0742c6c12a
Markdowne26f8495ab87d1f01ca378fe7f2c4e8494d1c6feb374a659bb425448e323b062
PDF
Publication page860ba9211c340c389800138d1d927910b7414d28a6bd88410e309b4465414556
Manifest474c5c7c99fd001b00c687ff707ac32feb31e5cb502094ecc7491b0a19270819

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
SignatureYwbhZ4pxi+7iJNSzC1cx84WfGMQoA3S22RN5YFHU5uEHi+x75bj3jNSFOya2GS1nskN9rWDuQp1scJW59EC2Bg==
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

2026-09-17T10:13:07.516307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075559
observed 860ba9211c340c389800138d1d927910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:07.497161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075559/manifest.json
observed 474c5c7c99fd001b00c687ff707ac32f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:07.477409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075559/publication.md
observed e26f8495ab87d1f01ca378fe7f2c4e84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:07.457954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075559/publication.txt
observed 808485232047c4c3e80c410edd56ab05...
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.