OpenTechnical

OT-2026-000022522

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained blow-off before set-down, on a tool changer

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-2026-000022522) never changes.

Identity and time

Publication numberOT-2026-000022522 · never reused
Internal UUID01a0ae6f-f4fe-77ea-afb2-5fac47d0ae4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022522
StatusPUBLIC

Content hashes

Canonical text58316614dd86270f0d17c225e21d43492e3f038cb9d275691e427c185a35e2f0
Markdownc6d07e1ef317d0154763715fa5f4b4e45b6dfe01f9c5b931b6f841dbc64f84d5
PDF
Publication pagecfcbfcddd7d8581867ff2208680f6a337e7234e24cb221dee5ce1ffed4d7bef0
Manifestb9c84cfb7be199d92413e5a7b85c7988323de463e89ce3bcf091df5122cea6b0

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
SignatureaXg2ARMbNxwOhrEF6DO0Z7se9s8YvwIOmlO9DbfPfCdXN3NNNtCnUjRbQcjHfj3N5VLAvsj2XTk4j2aWeiRKAw==
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

2026-09-17T11:53:57.194571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022522
observed cfcbfcddd7d8581867ff2208680f6a33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:57.176362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022522/manifest.json
observed b9c84cfb7be199d92413e5a7b85c7988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:57.159672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022522/publication.md
observed c6d07e1ef317d0154763715fa5f4b4e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:57.142465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022522/publication.txt
observed 58316614dd86270f0d17c225e21d4349...
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.