OpenTechnical

OT-2026-000066689

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000066689) never changes.

Identity and time

Publication numberOT-2026-000066689 · never reused
Internal UUID01a0ae8e-ce42-7791-86e1-8f7ef2afbec6 · 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-2026-000066689
StatusPUBLIC

Content hashes

Canonical text20de11949ba4736cdd52624dcb20945acf73a84fba8288313e4974d93cb9c015
Markdown96a7e8c2595f6405b6e91ab5f69971230adf325619e6a9ad9ff8132c7b458d8f
PDF
Publication page5bd36d687afd950ce3b04af53327db8949343e0a5ba516110462c1e630a6e04b
Manifesta28152c509cdfb153c2d02095f01328e183700dccf65a110f53fdb4914766b16

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
SignatureQKWwMDuZTQKKdMFl4Sr7PS/1bOtZeg8EDYpIMKJzHJPqqv26Rhk6V1XdGIcWErT9asWIwdsx7BZmh+9zbHftAg==
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

2026-09-17T10:33:05.267930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066689
observed 5bd36d687afd950ce3b04af53327db89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:05.250029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066689/manifest.json
observed a28152c509cdfb153c2d02095f01328e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:05.233826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066689/publication.md
observed 96a7e8c2595f6405b6e91ab5f6997123...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:05.215525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066689/publication.txt
observed 20de11949ba4736cdd52624dcb20945a...
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.