OpenTechnical

OT-2026-000066457

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000066457) never changes.

Identity and time

Publication numberOT-2026-000066457 · never reused
Internal UUID01a0ae8e-ce40-7436-9632-670fbaccad2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066457
StatusPUBLIC

Content hashes

Canonical text4b39d29ee41e15891547623c11081613d3f9905e9da0f40445ba99893f304c8a
Markdown0606fd34c03006908443257c150f2b31a4b312acbc7a84fe876c78a1797be976
PDF
Publication pagee7156a842f6e57113d8202791f9f9d8023e95ac0da52ccc1b40d0d51f027d2d9
Manifest7e2a51356caaa838d46de82984ff7e5e3b6b1cad65a7cc6d1e4d8b9299e891c7

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
SignatureS1wf9piunaaH8bTLPl31oPQ4rQfCNlXzQymtV0w8S+CGITRRsF1YNh5JiYoNcpOTdf52n5inLRSHD3dhVlinAA==
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

2026-09-17T10:32:42.405349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066457
observed e7156a842f6e57113d8202791f9f9d80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:42.388794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066457/manifest.json
observed 7e2a51356caaa838d46de82984ff7e5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:42.339763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066457/publication.md
observed 0606fd34c03006908443257c150f2b31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:42.291859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066457/publication.txt
observed 4b39d29ee41e15891547623c11081613...
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.