OpenTechnical

OT-2026-000073674

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000073674) never changes.

Identity and time

Publication numberOT-2026-000073674 · never reused
Internal UUID01a0ae93-2b8c-7e3e-b058-d5fe0f22f4c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073674
StatusPUBLIC

Content hashes

Canonical textfaf4de27be5894b0fe7b03a69e5a363dbd37bb7bbc3aeca44b1a4d5eada133c4
Markdownc697c543bc6e9c3492f6dfc2d41d92317b038989c4eefaeb77722458362fbdce
PDF
Publication pagebc3571fc2917be999255b01356226fcf3cfedfed9354728b97264e08a8b01d84
Manifestb4a2c03b0d9a82790c531560dc5e4232f97d97c5e52f0d7e37c110a6137606e7

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
SignatureQN101zNw1FTDDCBzuxMu6tNuO7XtTKZLMrRUHyvX4DfHmkITKlEaOPc9yhL2IER2b2KPC4f2jBMz2aqtpMeVAA==
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

2026-09-17T10:19:43.893275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073674
observed bc3571fc2917be999255b01356226fcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:43.873536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073674/manifest.json
observed b4a2c03b0d9a82790c531560dc5e4232...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:43.853395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073674/publication.md
observed c697c543bc6e9c3492f6dfc2d41d9231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:43.832859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073674/publication.txt
observed faf4de27be5894b0fe7b03a69e5a363d...
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.