OpenTechnical

OT-2026-000027201

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000027201) never changes.

Identity and time

Publication numberOT-2026-000027201 · never reused
Internal UUID01a0ae72-3454-737d-b92a-2ca054cfe602 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027201
StatusPUBLIC

Content hashes

Canonical textfa2b2e37d3c503ff6b275045cadb68bdddd9d8a9efaa1a135b58ceb674204bd6
Markdown2b92586c26229eb4497e5e8a11bda3510fa28f7a391e5e748085574209b04eda
PDF
Publication page4e29fe306daa96632b5e3be94bef1aae278ea0c4bf15a33df54d7bab05fcd100
Manifestaa5de8531fb658507300454b4521265d87dd243560326678c3a68b553639067d

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
SignaturecQipiOoer890i6GH82ZvVOqqKP1Khipm3u8BKXM9B0DKHz+HmRdIp8PwCM2OvYmZSJp+hy02vlwIE32e0spBBA==
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

2026-09-17T11:44:05.424927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027201
observed 4e29fe306daa96632b5e3be94bef1aae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.407150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027201/manifest.json
observed aa5de8531fb658507300454b4521265d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.388468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027201/publication.md
observed 2b92586c26229eb4497e5e8a11bda351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.371307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027201/publication.txt
observed fa2b2e37d3c503ff6b275045cadb68bd...
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.