OpenTechnical

OT-2026-000063648

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000063648) never changes.

Identity and time

Publication numberOT-2026-000063648 · never reused
Internal UUID01a0ae8c-f946-79ee-ac62-d4a78b433bd6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063648
StatusPUBLIC

Content hashes

Canonical textf877d4943c9b221dbd08089314d96676b7f7d461b2f2506c6ad195657fc9a345
Markdown93d2b103b16e2783b967db31d7b16fcecfc71ae15f536b483e7a86ddf1bc4160
PDF
Publication pagea1297cad9d8be7a6fdacd64928e83cbf08da69644bb13c78f6140905a2667ae0
Manifestbdf4a14f0a6897f07ae0df8b74b19f4eeb7839010c29c05f8289ab24982cce87

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
SignatureSChLB8be69YMg9njkQtz8mvmkm9tRx+y8ed/KjxmN360dzn+xOxBzX6box4GuQFx/1yar2lvKur4uFhHnTSmAA==
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

2026-09-17T10:37:45.206555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063648
observed a1297cad9d8be7a6fdacd64928e83cbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:45.186573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063648/manifest.json
observed bdf4a14f0a6897f07ae0df8b74b19f4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:45.166015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063648/publication.md
observed 93d2b103b16e2783b967db31d7b16fce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:45.144642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063648/publication.txt
observed f877d4943c9b221dbd08089314d96676...
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.