OpenTechnical

OT-2026-000014743

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum 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-2026-000014743) never changes.

Identity and time

Publication numberOT-2026-000014743 · never reused
Internal UUID01a0ae6d-d093-788f-bff0-1be62b2565cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014743
StatusPUBLIC

Content hashes

Canonical text2ca511f6930ddf299d0c40c1f65b0d2d2137a1bc99b2bc04a99fd9b86f0a4133
Markdown5174b5a07312ef70616b9c01ccc38cfc9ab8749f03eb43e3ce77324a2df43ecc
PDF
Publication page321153eb15d31e6e55d3b11923060d5f0e7293471bf0381d006a10578e8693e1
Manifestbef1435b3bc4ae2a1d3b6e8f567110700201bf27ee0ceee20b34219e283f3c50

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
SignatureoDtH2sgxqvtS9IBmfi0mI7pVB+AzUbnSRmfuZR9QTrv68adzq+kupgiW2BUnoYGiGdqYRS0BN6ffTlqaIIawCg==
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

2026-09-17T12:06:37.229893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014743
observed 321153eb15d31e6e55d3b11923060d5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:37.209734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014743/manifest.json
observed bef1435b3bc4ae2a1d3b6e8f56711070...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:37.190824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014743/publication.md
observed 5174b5a07312ef70616b9c01ccc38cfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:37.173616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014743/publication.txt
observed 2ca511f6930ddf299d0c40c1f65b0d2d...
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.