OpenTechnical

OT-2026-000072773

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, 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-2026-000072773) never changes.

Identity and time

Publication numberOT-2026-000072773 · never reused
Internal UUID01a0ae92-89da-7635-af0d-1c06b66a7d1c · 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-2026-000072773
StatusPUBLIC

Content hashes

Canonical text929e582d1c366e975e54a502bca96cfde3c67ef05addb11abdbf391f27510ca7
Markdowndd35ddcb9d91daf94727bc53395bf8d44579b15b61d8f9e8a7de8df73716bd75
PDF
Publication page797ba0825f35b2a77d9adfdb7ebf2425022c04bd4760c5b083d93dd322e6a4fb
Manifest550b8f097e73970e8bb21e385f0c750f167c8fa320513da62f92a11fbc9ce414

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
Signature4TMDNI6ikbNCvMXPJTg2sKvyt+nr5zJHv+GN3AcbBeP5lPLE1C9oi0GjsLRRXM1X/4nDD1q/ck2ktT6+GnWiAA==
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

2026-09-17T10:22:41.058893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072773
observed 797ba0825f35b2a77d9adfdb7ebf2425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:41.041107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072773/manifest.json
observed 550b8f097e73970e8bb21e385f0c750f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:41.022088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072773/publication.md
observed dd35ddcb9d91daf94727bc53395bf8d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:41.004536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072773/publication.txt
observed 929e582d1c366e975e54a502bca96cfd...
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.