OpenTechnical

OT-2026-000059475

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000059475) never changes.

Identity and time

Publication numberOT-2026-000059475 · never reused
Internal UUID01a0ae89-8617-768c-b03c-22c61cc9f50f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059475
StatusPUBLIC

Content hashes

Canonical text5940d6dc1be40da51d3502b2f61bf3cb8edff5ebc2d43341751f04caa6633f38
Markdown4c3934cf81001e6f208d68ad4037abab33563e74ae507a868590cc6f45d96b70
PDF
Publication page58bf3d0a28c441df808b0ba91dc2c99724157322b5e8cfef0ddd706870530641
Manifeste6ff6d6b31afd520cec70c43809ae525c3e28485fc0111cfd1cf5150c892e4a4

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
SignatureKLlJMXYhY9WyFNMwJCDDpfJSriejKqANHiswNgGJ1NJnNkhaAwPNmxiHCiZbaFDy3OE5qp5vUJu48iQTwRU9Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:10.514329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059475
observed 58bf3d0a28c441df808b0ba91dc2c997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:10.494734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059475/manifest.json
observed e6ff6d6b31afd520cec70c43809ae525...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:10.475318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059475/publication.md
observed 4c3934cf81001e6f208d68ad4037abab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:10.452448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059475/publication.txt
observed 5940d6dc1be40da51d3502b2f61bf3cb...
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.