OpenTechnical

OT-2026-000039288

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000039288) never changes.

Identity and time

Publication numberOT-2026-000039288 · never reused
Internal UUID01a0ae78-9674-7a5e-a545-6854e09a01f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039288
StatusPUBLIC

Content hashes

Canonical text3433c6d0aef76d32786fdeaa430de0ec80c2ea81be1e2697a51f2b898aa7c184
Markdownc1f36c7c8771ecbcc5e03518914b3c9a0207e567c4ab21e110422872ed95550f
PDF
Publication pagec0b5b57057ed93b1b7ccd5a82dee72e7be38079b1e035bc3df9aa1709acdf3e6
Manifestc8ab64e28e8c8c1624e9db08d609fdd49aadc683822bf7bac5767e11206c2ebf

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
Signatured28OgDyWv6xiaAovzr0pcXF/O2/ytElGxzWqWguSJt0t/3qdQQGiYBqtrlHghGS2ab9dLyxN78l6BEKTqQ/MCA==
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

2026-09-17T11:20:51.745883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039288
observed c0b5b57057ed93b1b7ccd5a82dee72e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:51.727630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039288/manifest.json
observed c8ab64e28e8c8c1624e9db08d609fdd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:51.710265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039288/publication.md
observed c1f36c7c8771ecbcc5e03518914b3c9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:51.690651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039288/publication.txt
observed 3433c6d0aef76d32786fdeaa430de0ec...
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.