OpenTechnical

OT-2026-000028029

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000028029) never changes.

Identity and time

Publication numberOT-2026-000028029 · never reused
Internal UUID01a0ae72-a51f-7d43-a51b-61dc29f26690 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028029
StatusPUBLIC

Content hashes

Canonical text4d79c5298b31b906a0521607a183b5aa7c23d9c52776d0a828eae5b7faae3b45
Markdowne5cb53133f37dbd0d542c87b3e0800cf0d9e989e09bf57957011f56c48261a7b
PDF
Publication pagec9162f21d2d9796a4e23ed8211c91ed01c1055171281ab85d2dc2ae771cc5a97
Manifest191748c6b004aeeb36f3ec445b5040c8547294b1a7d5314b591b3fbc42ea41c7

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
SignaturevKr48L8Oahg2lvDfKLvDZCtXiOSTgpZUGneFx3lf9zB/7Yd/uUsi0rBoMLauGiJeKoUy90jOYFI7ES0r5YGrDQ==
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

2026-09-17T11:42:20.930169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028029
observed c9162f21d2d9796a4e23ed8211c91ed0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:20.908934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028029/manifest.json
observed 191748c6b004aeeb36f3ec445b5040c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:20.888598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028029/publication.md
observed e5cb53133f37dbd0d542c87b3e0800cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:20.868787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028029/publication.txt
observed 4d79c5298b31b906a0521607a183b5aa...
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.