OpenTechnical

OT-2026-000022395

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000022395) never changes.

Identity and time

Publication numberOT-2026-000022395 · never reused
Internal UUID01a0ae6f-f4fd-741c-8b3d-2c966aeeff79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022395
StatusPUBLIC

Content hashes

Canonical text1f7edb53db92355c3cca6dc82989a14cf51d9ff5689050a6f5b27e1bc004bd09
Markdown89a723d3c324a582338b6279b0eb755d4ed2df1275ed6a08bf32d6e1f1dca3d6
PDF
Publication page5a3fa33cd91a4070e90f28973dd4add1f323a470f734b2c5756cdf49fa658627
Manifest54d7dd5653de79d3d430f2c1ee349fa10d5293273a54a350dc0728685d1a4e4d

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
SignatureBEWQm5GKbDIe0S3YYuh/v7Ox29z9b964/+X3kPI2TZGVYRCU3vkFrVeVs1xO+0KUSHpluM6ZPk3aVPJt51x1BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:53:46.505989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022395
observed 5a3fa33cd91a4070e90f28973dd4add1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:46.487039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022395/manifest.json
observed 54d7dd5653de79d3d430f2c1ee349fa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:46.469026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022395/publication.md
observed 89a723d3c324a582338b6279b0eb755d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:46.451317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022395/publication.txt
observed 1f7edb53db92355c3cca6dc82989a14c...
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.