OpenTechnical

OT-2026-000013618

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, 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-2026-000013618) never changes.

Identity and time

Publication numberOT-2026-000013618 · never reused
Internal UUID01a0ae6d-8de8-72c3-a9d5-9e39c85b5b0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013618
StatusPUBLIC

Content hashes

Canonical text59fa6eb09692b68eca5220dd2dc4ed4c87d712b81193f518fd77ece6a946fc7e
Markdown1ede42960d70f93f7f6851d80f974e2c3808cc009f0fe8e7a0618e420866a1f6
PDF
Publication page35665d3f5d5c40aa11ad0bfb715bbdd270d214b25ca142bce282a7ac9025eb3c
Manifest8d8a0efefeadfeb18ff425b08bd73e8c5e0490ab4a92a7ac24ed2ef57e8e9960

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
SignatureiYNOIEPuBDHtpu5y+zQj8ZBU7QaUEeHXrL9eP33L2bZdvoeFg3Ybj2nZLqs5dhGiby7kb6MZHrG7D8Gwa6JKBQ==
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

2026-09-17T12:10:31.829039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013618
observed 35665d3f5d5c40aa11ad0bfb715bbdd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.808802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013618/manifest.json
observed 8d8a0efefeadfeb18ff425b08bd73e8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.787818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013618/publication.md
observed 1ede42960d70f93f7f6851d80f974e2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.769152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013618/publication.txt
observed 59fa6eb09692b68eca5220dd2dc4ed4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:32.868612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013618
observed 35665d3f5d5c40aa11ad0bfb715bbdd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:32.850054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013618/manifest.json
observed 8d8a0efefeadfeb18ff425b08bd73e8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:32.831119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013618/publication.md
observed 1ede42960d70f93f7f6851d80f974e2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:32.813408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013618/publication.txt
observed 59fa6eb09692b68eca5220dd2dc4ed4c...
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.