OpenTechnical

OT-2026-000046137

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000046137) never changes.

Identity and time

Publication numberOT-2026-000046137 · never reused
Internal UUID01a0ae7e-032b-7e9a-bb1c-1ad7810f5982 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046137
StatusPUBLIC

Content hashes

Canonical textb888b7a7683a66e2f6d5768149cdc42bff15cda258d710ae20521a0f1191e89c
Markdown84bc31c994b7719ab023a3cf82cbdb500f02b38ebb96d54d70fdf35f455c5aac
PDF
Publication page3c0a71994c00475531fb98c7b264c8fd2bb329f163036cc49ed1a475379c0c1c
Manifestacd6bb9a0bfe88b347df651ace894f77fc2e4035b56bbffef580526944e1f244

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
Signaturei3Z9mrSmG3jusZVx2koqudN1qReAXT7N8QhSTKUKp6FVP7IsV0jb91YR2YG78B6B15f1xq/wc3y4ZLMQ6XvMBg==
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

2026-09-17T11:09:07.639482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046137
observed 3c0a71994c00475531fb98c7b264c8fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:07.618233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046137/manifest.json
observed acd6bb9a0bfe88b347df651ace894f77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:07.595742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046137/publication.md
observed 84bc31c994b7719ab023a3cf82cbdb50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:07.576932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046137/publication.txt
observed b888b7a7683a66e2f6d5768149cdc42b...
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.