OpenTechnical

OT-2026-000029509

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000029509) never changes.

Identity and time

Publication numberOT-2026-000029509 · never reused
Internal UUID01a0ae73-5e21-7ec1-8f38-13083f1a45e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029509
StatusPUBLIC

Content hashes

Canonical textc6a4f71e64e2eb78577825baed086b6f1ade64c9bcaaa607d6b720e980fa0890
Markdown2a5eece4a20a284fca778e681ec86ec2ca2c6ef2a1a35f73a70ec7a26442d755
PDF
Publication pagee6fade98502c581ed9b8226a1582da42452a16c90ede9d9d099ba36e0629c282
Manifest727a19671f2f74569c283b8e9ce289e41a67497e07a0dd20c693fba8eec51c2d

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
SignatureO8uRL6qQxe/Y8rmw+WErY3XG4BjZIVVCjGHFmeMrWQLikxCI3Jam9XuuMWDIGhZfOfQMhD/D7hFJRk2sIlHaCA==
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

2026-09-17T11:39:08.895320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029509
observed e6fade98502c581ed9b8226a1582da42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:08.875821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029509/manifest.json
observed 727a19671f2f74569c283b8e9ce289e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:08.829144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029509/publication.md
observed 2a5eece4a20a284fca778e681ec86ec2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:08.794528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029509/publication.txt
observed c6a4f71e64e2eb78577825baed086b6f...
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.