OpenTechnical

OT-2026-000072479

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single 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-2026-000072479) never changes.

Identity and time

Publication numberOT-2026-000072479 · never reused
Internal UUID01a0ae92-89d8-7bcd-993d-721bbe6dd148 · 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-2026-000072479
StatusPUBLIC

Content hashes

Canonical texta748ab6fa78e1246d30621036c3c7547cbc334797ff0a391e5e8d14abcddb81e
Markdown06be4214cbc48fa13714f704091d58feebc11bec26ba9866e26f15cc9fe498fd
PDF
Publication pagea4a9fb7768484de7784ea9c1cb1ccff1bbfc8c2170e5dcb8075a2c907dfd0ccd
Manifeste425372d9335958583a0f34fd0551fe25ce84dbdc1b935a82fd69a832db34a28

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
Signaturen3yk8M2xLHPyBO9IayuCmWbBsOFxYJGuk5siUzSj2eNRx6m/5H9kZYAxv+XN+4IJGakRKFp8yg97EL2AC47aAg==
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

2026-09-17T10:22:18.333393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072479
observed a4a9fb7768484de7784ea9c1cb1ccff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:18.316076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072479/manifest.json
observed e425372d9335958583a0f34fd0551fe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:18.298408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072479/publication.md
observed 06be4214cbc48fa13714f704091d58fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:18.281389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072479/publication.txt
observed a748ab6fa78e1246d30621036c3c7547...
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.