OpenTechnical

OT-2026-000076194

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000076194) never changes.

Identity and time

Publication numberOT-2026-000076194 · never reused
Internal UUID01a0ae94-6a6f-7436-810e-a3bdb3d4f309 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076194
StatusPUBLIC

Content hashes

Canonical text50d9a2bf7b2dc77fe3cc62fd1100306e35ba4d55a672efdc05edd78b7da2f1da
Markdowna3ab7ced2d4a63a389250e204673dd6ebe397f5d7ddd830e8b0bcba9c8159b43
PDF
Publication page6488a91b03baedfb085da4b4b554384b59182ff4df3188b261563d729a83acf8
Manifesta2abed41db6f610f4609c3fdb1ad6455c7bdb1e48ab9c9a1f5e1d342a8deeef3

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
SignatureNgSI+duxg8YYnfobVFPxpaav7qfhG5lWAf+bBtO5owxNCW5Z4LY8VegA0Z0LU47hySoO8Yu5R+AgrxsXl9jIAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:11:31.251704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076194
observed 6488a91b03baedfb085da4b4b554384b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:31.232376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076194/manifest.json
observed a2abed41db6f610f4609c3fdb1ad6455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:31.212135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076194/publication.md
observed a3ab7ced2d4a63a389250e204673dd6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:31.189438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076194/publication.txt
observed 50d9a2bf7b2dc77fe3cc62fd1100306e...
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.