OpenTechnical

OT-2026-000047520

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000047520) never changes.

Identity and time

Publication numberOT-2026-000047520 · never reused
Internal UUID01a0ae7f-3e59-7e30-b58e-bdc4ecb289db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047520
StatusPUBLIC

Content hashes

Canonical textc48c38c3fff448afe5eb3b576e6b26159efc5bcfbb955387c89dea38e0ceea47
Markdown34439a22994caa1ab8006bbdc16b88e231ff5480cd00daebdcb436b26c50b9d0
PDF
Publication pagead8bddeb8a0c9363f5f6989f7b5b94440344636660c50d0b25d2ecd7806c7927
Manifestaec86494ce1495d47eb8dc22b0c29acdfc70828a0aa7428eb34ca3549a5a81f7

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
SignatureuUxJZop32DPPwsXMT8iCvETqANTOZyfXxFteAIUqz/hrKmK1pPHDiiE1pkwEc3z8k4twNW/aevjzDn4XoN6/Dg==
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

2026-09-17T11:06:37.830483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047520
observed ad8bddeb8a0c9363f5f6989f7b5b9444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:37.810195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047520/manifest.json
observed aec86494ce1495d47eb8dc22b0c29acd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:37.791072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047520/publication.md
observed 34439a22994caa1ab8006bbdc16b88e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:37.772460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047520/publication.txt
observed c48c38c3fff448afe5eb3b576e6b2615...
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.