OpenTechnical

OT-2026-000072799

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, supply line 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-2026-000072799) never changes.

Identity and time

Publication numberOT-2026-000072799 · never reused
Internal UUID01a0ae92-89da-74d6-af49-f2248ad8bc7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072799
StatusPUBLIC

Content hashes

Canonical textf0e8218d0a62cbbbd712ae869535cf574031efb03811be0223e26212e0b902e6
Markdown6ba113ead9ff3de875bcc029b2b19f3b2f26a9632f6e02a51c3bca065560ba40
PDF
Publication page8a27f8fdb7bbf1548ceb7bb141429b81a063392a46b940b5b1c8ae509a50507b
Manifestdd5cf54bb4012183ad38420a7cccd86fa9fadb9e02a6c61f67b3e381b2508f8a

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
Signature2JYSTJrSH2vKqWr7pm77iOPz8sR4iWQmPYKJQNMWoXhjQM+DsuEE6MGkPG1QGF6eAVsE5Cq5077HDRGe4R0NCw==
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

2026-09-17T10:22:42.776592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072799
observed 8a27f8fdb7bbf1548ceb7bb141429b81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:42.759326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072799/manifest.json
observed dd5cf54bb4012183ad38420a7cccd86f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:42.743127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072799/publication.md
observed 6ba113ead9ff3de875bcc029b2b19f3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:42.725252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072799/publication.txt
observed f0e8218d0a62cbbbd712ae869535cf57...
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.