OpenTechnical

OT-2026-000072793

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000072793) never changes.

Identity and time

Publication numberOT-2026-000072793 · never reused
Internal UUID01a0ae92-89da-731f-885d-a2c7c82b641f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072793
StatusPUBLIC

Content hashes

Canonical text6bacb5cac2a403c3fa04b5ce526ab2b06eb5b4d4f2619cf19aaa4613efbfdd5a
Markdowna439baf83c915d5aed45d22aba7255822c6b7a16e6fdf3242c8131a2959f2f14
PDF
Publication page58f0754af4c8c28b2b949873e25ce8921f0c98fcce8db968e4e0c900f5cca5a1
Manifestd1e540017121f6ae265102cfed3d29737ccc657f45b15121227a301c682c6a71

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
SignatureOFnFQqy91rmS+1OD0jFe82zHcvSjvhBN8qkQ3x5KRvh2ppKYKMVwtv/oKqjArzSNGIvxsdo8aswlQq/b4KunBA==
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

2026-09-17T10:22:42.339526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072793
observed 58f0754af4c8c28b2b949873e25ce892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:42.319327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072793/manifest.json
observed d1e540017121f6ae265102cfed3d2973...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:42.300217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072793/publication.md
observed a439baf83c915d5aed45d22aba725582...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:42.280338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072793/publication.txt
observed 6bacb5cac2a403c3fa04b5ce526ab2b0...
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.