OpenTechnical

OT-2026-000003858

Publication integrity record

Vacuum cup gripper, two zone face, four outlet manifold, three stage ejector

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-2026-000003858) never changes.

Identity and time

Publication numberOT-2026-000003858 · never reused
Internal UUID01a0a90b-458a-7705-a000-83c1390db9bc · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:03.341730Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003858
StatusPUBLIC

Content hashes

Canonical text0b852767509027323921b8c1f38b01f4cc0a68ad8dbb89941356749bcda9ec52
Markdownbed624e4e1a65a89cdf7c84f5fe7ee523fb47f5152e96c53423f961f6fe617d9
PDF
Publication page54b2c13166a24fcba153a55d0d2a19a25365341695a5803abbd793c413ab4aca
Manifest0705cb0a8633903a3f2e4548dd08eabf1fa1d499e1a159a9ad5517a0872d2ff6

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
Signature3n9UtMj9UdTFlczJgGeJZZ/koZkKGaE11ny5d+uel2LY9oLjM/0fvKVUM8Qao+7+ipXuM/KZLeTEnhH1WwIKBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:16.133826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003858
observed 54b2c13166a24fcba153a55d0d2a19a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:16.119527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003858/manifest.json
observed 0705cb0a8633903a3f2e4548dd08eabf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:16.105468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003858/publication.md
observed bed624e4e1a65a89cdf7c84f5fe7ee52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:16.090982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003858/publication.txt
observed 0b852767509027323921b8c1f38b01f4...
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.