OpenTechnical

OT-2026-000019504

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed 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-2026-000019504) never changes.

Identity and time

Publication numberOT-2026-000019504 · never reused
Internal UUID01a0ae6e-f393-7a25-ab6f-eca8ed56e299 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019504
StatusPUBLIC

Content hashes

Canonical textb1d99aaf62198ec960e81defe930f19af2ad4f1ae2c6812e5d0308a022e9f896
Markdown82c0cc85b706e84fc8bfe45128fc0e580ef1df9f05c1103bae2cb32acf5743e1
PDF
Publication page8a8f08fcc21bf4baaf6dbe1beaf0d5559d456c3ddf46aba7fdf17a30d4d4f557
Manifest2e27bf3569f3dc95ebb3b922c9824082959a6d1795f26722fed2785f26a786d0

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
SignatureSWbw9bBRw1fkSOYmCksqV4ZhGB/kBZBPV1+dmt3+/+IeGW4Jn1p8pA8fFZdvbeoRg4anb+7y0W7eJX7ivsmRAw==
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

2026-09-17T11:58:56.056162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019504
observed 8a8f08fcc21bf4baaf6dbe1beaf0d555...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:56.039708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019504/manifest.json
observed 2e27bf3569f3dc95ebb3b922c9824082...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:56.021938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019504/publication.md
observed 82c0cc85b706e84fc8bfe45128fc0e58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:56.002429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019504/publication.txt
observed b1d99aaf62198ec960e81defe930f19a...
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.