OpenTechnical

OT-2026-000004672

Publication integrity record

Vacuum cup gripper, per zone isolation, three outlet manifold, ejector fed, vented after 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-2026-000004672) never changes.

Identity and time

Publication numberOT-2026-000004672 · never reused
Internal UUID01a0a91f-9e07-72eb-9177-ed6ae25f622a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:30:16.714552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004672
StatusPUBLIC

Content hashes

Canonical textd3e31ce37717e9387655a0edaa09c080da9ddc4d9a02449fd539aef9bcf7c903
Markdown9ac9a7a6e7600416b12cb358f13b39be18d557a6e32b236a678b1786e5b6f3e8
PDF
Publication page71464b066cf18add6258273cfed77bcc8b2e189e08041f07083ba630fb975c53
Manifest0bca25971e7fd02834b2104d6ecb2736a08a540ce1c1f2727da69480f90ad4c7

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
SignatureyNi5x9/Df3llTRLmIpc2XtSmRH853n5Im8dpvQJfhBek5Ptxw6ATq+BoN34X9XusZQZ6Yu3sAb71VjD3rEOFCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:31.381115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004672
observed 71464b066cf18add6258273cfed77bcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:31.120628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004672/manifest.json
observed 0bca25971e7fd02834b2104d6ecb2736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:30.997665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004672/publication.md
observed 9ac9a7a6e7600416b12cb358f13b39be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:30.985459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004672/publication.txt
observed d3e31ce37717e9387655a0edaa09c080...
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.