OpenTechnical

OT-2026-000023140

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000023140) never changes.

Identity and time

Publication numberOT-2026-000023140 · never reused
Internal UUID01a0ae70-7266-70a1-b16a-30dd5d8ccd59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023140
StatusPUBLIC

Content hashes

Canonical texta447da8241f595f04f98dae01d2276d8684b7a0c18b3dbdaec78a162d6f77a90
Markdown90f599f7b3ca30b5694cc0b0c1f53797308be938b8dfa3beb6599aa6a211e558
PDF
Publication page7da8cb19ad55c26e818a6d526e0dbd92a20b8a12333a3c15a275cc6a6020e429
Manifest1f256a897c7807a555156a5547b9d0979d73a5968f34f6ef12da2569afc8718b

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
Signaturegek4lI00IpqmoftOh4dGkutrv6f0KK54ZydSraX45+uoFpb2eVpdnwjWjwx2xJUpVsyojbTLzP7LnoUtCUENAQ==
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

2026-09-17T11:51:04.436158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023140
observed 7da8cb19ad55c26e818a6d526e0dbd92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:04.419363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023140/manifest.json
observed 1f256a897c7807a555156a5547b9d097...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:04.400958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023140/publication.md
observed 90f599f7b3ca30b5694cc0b0c1f53797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:04.382729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023140/publication.txt
observed a447da8241f595f04f98dae01d2276d8...
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.