OpenTechnical

OT-2026-000041643

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, manifold 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-2026-000041643) never changes.

Identity and time

Publication numberOT-2026-000041643 · never reused
Internal UUID01a0ae79-e8a0-7d21-8112-3ffa59e01155 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041643
StatusPUBLIC

Content hashes

Canonical textd772b33c4bb67a749c846519d829acbadc311914f7c96167b971f1b71ba29df0
Markdownbf31958bb2c18ca3c0b7676216ac1e3c32cecea23d1fa23b9599a531261c652a
PDF
Publication page3f0e12d8c0bd99f855d06355022f77675b3359f7bfbfda84734c9256f32750e0
Manifest053bf26a0cfbfd83cefa6a51627d2cb93415b588211a788acf5ae91f3c2ce0b8

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
Signature7JNOjwlMQJNa1cJkzpTdcEOg73IJ8Ce8FTuOkKZu5gn5MB8ASlUMaksH+EWyn+pAmE/6BbHhMVIBO+6nt8v/Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:26.666299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041643
observed 3f0e12d8c0bd99f855d06355022f7767...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:26.650813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041643/manifest.json
observed 053bf26a0cfbfd83cefa6a51627d2cb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:26.634207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041643/publication.md
observed bf31958bb2c18ca3c0b7676216ac1e3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:26.616566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041643/publication.txt
observed d772b33c4bb67a749c846519d829acba...
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.