OpenTechnical

OT-2026-000033952

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000033952) never changes.

Identity and time

Publication numberOT-2026-000033952 · never reused
Internal UUID01a0ae75-df0b-7cc9-a97d-cd1c53e7563c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033952
StatusPUBLIC

Content hashes

Canonical text3293e6299a5e360135eeaa27c079fb8258304d4ed375bf7430462b28d7eaaaec
Markdown3cb8dbb0d3227e3498038e39079af3effa356d6bc4df818946675bb02fecb377
PDF
Publication page44ecb8a5925cedcb8dbc393cc68825a516d64b12e6f5d9948645a732c665402d
Manifest2c9dfc7ed672db7746a3f87203810b051fb3d8ae3b5aaa0db0134df5fc24a2d7

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
SignatureE9PFIW4waT1rvguf3M69mu5loQTATsPKq3KL40vz3G0rqJrargmN3/GfVCvEMloxUdveRWci7B5wMAxcPRuwAA==
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

2026-09-17T11:30:04.431417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033952
observed 44ecb8a5925cedcb8dbc393cc68825a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:04.408445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033952/manifest.json
observed 2c9dfc7ed672db7746a3f87203810b05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:04.387038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033952/publication.md
observed 3cb8dbb0d3227e3498038e39079af3ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:04.357009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033952/publication.txt
observed 3293e6299a5e360135eeaa27c079fb82...
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.