OpenTechnical

OT-2026-000073046

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000073046) never changes.

Identity and time

Publication numberOT-2026-000073046 · never reused
Internal UUID01a0ae92-c816-7207-958f-ea8633c6f4a7 · 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-2026-000073046
StatusPUBLIC

Content hashes

Canonical textebad71346d23c348bc56ed34c6a1bd8308c7d8acad277d3f77b037ca380d8793
Markdown36489ad778db1b7811ee7c20e8e052558e796552dbdbaf1f946bb9bcb959d2e5
PDF
Publication page9d50eff5dacc1a6814176ca6462d932a16652c946c8fa387835565c6553a0298
Manifest9a5d78b0f08bdaaa2355831f5dfc168db45fc765fae452fbfedc25338737b484

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
SignatureEBErIAaLN9noGSbJua7ZtTDQRii+O0rqWgONhZsIfNY2jlrbVXgRHozoO7TISjWTmzmV62s8zkx0lzrsWw+gBw==
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

2026-09-17T10:21:59.388912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073046
observed 9d50eff5dacc1a6814176ca6462d932a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:59.372003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073046/manifest.json
observed 9a5d78b0f08bdaaa2355831f5dfc168d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:59.354733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073046/publication.md
observed 36489ad778db1b7811ee7c20e8e05255...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:59.335500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073046/publication.txt
observed ebad71346d23c348bc56ed34c6a1bd83...
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.