OpenTechnical

OT-2026-000039537

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000039537) never changes.

Identity and time

Publication numberOT-2026-000039537 · never reused
Internal UUID01a0ae78-d8d3-74be-a8cd-7d7034ca7d81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039537
StatusPUBLIC

Content hashes

Canonical textd0643b5bdfab484ec72f2c8af9f155a89422cded4932f235e07d7d62d6f09a9c
Markdownb4f203fa7eed2c7abed9770139fc3f424205b858712727e53e192240c97cbb93
PDF
Publication pagef1033a87829a4aa47401631ff3075cab9c340b4427fb3807f6d77cb6715476f6
Manifesta1a34449629b8892b3fca3f4a3c187eca1fbc5460186b5e789c00088edb7dac3

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
SignatureUblgXQqXpY0CUEEKPACXPqvC1BGyKk2dxSDj73wd+Im0b4gz7XLk7h9pK9KmzWDOVEsyiH0OI5E3rWmvPdCiCw==
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

2026-09-17T11:19:41.147629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039537
observed f1033a87829a4aa47401631ff3075cab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:41.130045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039537/manifest.json
observed a1a34449629b8892b3fca3f4a3c187ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:41.112006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039537/publication.md
observed b4f203fa7eed2c7abed9770139fc3f42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:41.095556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039537/publication.txt
observed d0643b5bdfab484ec72f2c8af9f155a8...
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.