OpenTechnical

OT-2026-000073061

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000073061) never changes.

Identity and time

Publication numberOT-2026-000073061 · never reused
Internal UUID01a0ae92-c816-7b49-a56a-972ff826d1c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073061
StatusPUBLIC

Content hashes

Canonical text738c4790af9995e0f1c44022e1ca4808a4ab808313f413b3774f594765f79352
Markdown6082e0a274c8e7be36d8596c2ce2cb9c39498661ee69c9da1d4d82236f6db3a9
PDF
Publication page8168cd3186cc8088badf055a666b9d68a7e34baa4fc90d2e2071cde1966a92d1
Manifest733f52fdc3114077ad39dacc4029638fdfe5b188288f955f85f6caf0b061bb30

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
SignatureeMvmdSoKFLzVXkcb11dVByZqHE03touOrc/QVbAnOvvrkdKzkaM2J0ggGDRs2rvXr3o8nGEbh9ZVpKoGrYxBBA==
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

2026-09-17T10:22:00.497105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073061
observed 8168cd3186cc8088badf055a666b9d68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:00.478815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073061/manifest.json
observed 733f52fdc3114077ad39dacc4029638f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:00.460572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073061/publication.md
observed 6082e0a274c8e7be36d8596c2ce2cb9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:00.442719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073061/publication.txt
observed 738c4790af9995e0f1c44022e1ca4808...
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.