OpenTechnical

OT-2026-000062724

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000062724) never changes.

Identity and time

Publication numberOT-2026-000062724 · never reused
Internal UUID01a0ae8c-6389-7889-9a34-3ae0fd189b89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062724
StatusPUBLIC

Content hashes

Canonical textbbac0c01fd2334f526ce0a8ef87b79b3aca8cddf8417e09afc16c44a6009766b
Markdown42fee3dafb6bfb86688c672c7da65beb4a172b5d7742db400cb08f9b17b3e433
PDF
Publication pageaf8e42bddb97f45d0f3296df91b5cdca48af8ef0f0fa9a0c34782e6f86d84789
Manifesta5333f02f47b88a49ff5172c1613805d4fd17f66579d9214d766d0a3a2bd180f

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
SignatureL0/d1tZsbWr7X5bMPbjKMdnKf6nKp75g0SrKQuc0FVnacK9PVOjciBjrulxwIP0udievxErCndFp8akZ7+0dDA==
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

2026-09-17T10:39:17.737622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062724
observed af8e42bddb97f45d0f3296df91b5cdca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:17.717997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062724/manifest.json
observed a5333f02f47b88a49ff5172c1613805d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:17.699718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062724/publication.md
observed 42fee3dafb6bfb86688c672c7da65beb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:17.681826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062724/publication.txt
observed bbac0c01fd2334f526ce0a8ef87b79b3...
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.