OpenTechnical

OT-2026-000036755

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two 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-2026-000036755) never changes.

Identity and time

Publication numberOT-2026-000036755 · never reused
Internal UUID01a0ae77-46e8-7ded-b5bf-907042b3f48d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036755
StatusPUBLIC

Content hashes

Canonical texteeef8564fbb5e28fbe016bd278daf8a5c6b553122138c1c008341bf2ddeefe5a
Markdown106a1e725d1f7fa9d98aa9bae30af81d374bf9c86a628c76751d45239c59a355
PDF
Publication page35db03bb22239e8d6a79a4454cd6a8af81252e7f5641084a21c1f8f8dd8f25dd
Manifesteaabfbe0b9c8c20c7c307d96558628b623a366c29d93c7bac1954e760ab3151a

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
SignatureRzEI1/Sy5NM07r0a+/S7MilLTay64H0tBwLYy2EdlWmKsgZA59Br2UhjxKGovKtxGG/6sAxNp/MB0WJ8EleAAw==
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

2026-09-17T11:26:07.514361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036755
observed 35db03bb22239e8d6a79a4454cd6a8af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:07.498088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036755/manifest.json
observed eaabfbe0b9c8c20c7c307d96558628b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:07.481453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036755/publication.md
observed 106a1e725d1f7fa9d98aa9bae30af81d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:07.462276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036755/publication.txt
observed eeef8564fbb5e28fbe016bd278daf8a5...
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.