OpenTechnical

OT-2026-000050778

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, vented 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-2026-000050778) never changes.

Identity and time

Publication numberOT-2026-000050778 · never reused
Internal UUID01a0ae82-c7b2-7b75-a16a-a984f32ecd39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050778
StatusPUBLIC

Content hashes

Canonical textcfaf1d13cf1a98408444efe9016bce2f6892f29f32da5a5bbf1dae7e751fffef
Markdown15e2f1a58485befa9c1b3721f9e24c2a8294dd3ec6b381533eaa1a617a57545e
PDF
Publication page25e5825d099e8737a09052415cdeb94955a15d823c04ca360674e26631635e0e
Manifest99c6a61d70526036611041356a8f9321d4cb2424d36989d00c3c6d10ccc15691

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
SignaturefSsSn0sx1gN8o9yyNzSMiiqA3/7WahVg6dVgPfPObXqoxhz5ndKWxBtKjv01jdwkd5fba0m+C/UneJqD66iSCg==
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

2026-09-17T11:00:17.153843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050778
observed 25e5825d099e8737a09052415cdeb949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:17.121322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050778/manifest.json
observed 99c6a61d70526036611041356a8f9321...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:17.093141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050778/publication.md
observed 15e2f1a58485befa9c1b3721f9e24c2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:17.073350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050778
observed 25e5825d099e8737a09052415cdeb949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:17.063865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050778/publication.txt
observed cfaf1d13cf1a98408444efe9016bce2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:17.045913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050778/manifest.json
observed 99c6a61d70526036611041356a8f9321...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:17.014838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050778/publication.md
observed 15e2f1a58485befa9c1b3721f9e24c2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:16.987232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050778/publication.txt
observed cfaf1d13cf1a98408444efe9016bce2f...
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.