OpenTechnical

OT-2026-000014137

Publication integrity record

Single cup vacuum gripper, 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-2026-000014137) never changes.

Identity and time

Publication numberOT-2026-000014137 · never reused
Internal UUID01a0ae6d-b278-7283-8a3c-cf90790bf11c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014137
StatusPUBLIC

Content hashes

Canonical textc7f2e477044e72d8318d59bcaf56938f592f79aa8b3cbf14bd4a0fce8aa78f0e
Markdowna78b0908f7cbeb75343d3bab9f1a1ea3e79ce55de6497447a41a437d283a73ed
PDF
Publication page3f2b9af6ce318c82619bbc1564af8fa40acfb14ff4fa85ba0d1067f29cafe710
Manifest32900878075a706da3e686f7fd972f72b5c885201b3039b9e0dd3abecb75cd69

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
SignaturewqWV9YU+67yQWQKxI91c3n4HDn7gA93iPWaxFzqDU6VwgkopT3Ec5+gApQlCdZfko2nc58t7Di4cNxhiFQCVDw==
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

2026-09-17T12:07:12.815463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014137
observed 3f2b9af6ce318c82619bbc1564af8fa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:12.796745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014137/manifest.json
observed 32900878075a706da3e686f7fd972f72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:12.777270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014137/publication.md
observed a78b0908f7cbeb75343d3bab9f1a1ea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:12.759071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014137/publication.txt
observed c7f2e477044e72d8318d59bcaf56938f...
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.