OpenTechnical

OT-2026-000033916

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000033916) never changes.

Identity and time

Publication numberOT-2026-000033916 · never reused
Internal UUID01a0ae75-a392-705a-8aab-77aba3adfaa9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033916
StatusPUBLIC

Content hashes

Canonical text6d7e7c8c2595ab60c3950ec927ed20ca2b3ad486272fd39092f0688ce82202af
Markdown27ecc680166e1f342b7a5f0229cff693fe24af6a8e59c1dd97a63ff9a1475e09
PDF
Publication pageea31e980cd3b14662755e6dc11b47d9027eabbd773f52b4dfadaa64f1a74b813
Manifestf1d359de1d33c25c2611fa7500c121a31d4ef7fa51569dfcbb8609760b0e1f33

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
SignatureQjgI9aPS6o3vX+gfTK3Av8k98AQ7vEXmlX1WZH2VXRHQvEKuXPG38QZCMSMUeJSpWTeQQmQsneo/qz6YDpDFCA==
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

2026-09-17T11:31:59.883071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033916
observed ea31e980cd3b14662755e6dc11b47d90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:59.866483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033916/manifest.json
observed f1d359de1d33c25c2611fa7500c121a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:59.847854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033916/publication.md
observed 27ecc680166e1f342b7a5f0229cff693...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:59.830499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033916/publication.txt
observed 6d7e7c8c2595ab60c3950ec927ed20ca...
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.