OpenTechnical

OT-2026-000012637

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000012637) never changes.

Identity and time

Publication numberOT-2026-000012637 · never reused
Internal UUID01a0ae6d-5561-7276-a662-7e7918ff498e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012637
StatusPUBLIC

Content hashes

Canonical texteb61714ca07acc9d0cf37b577b9081e6745234eade9f6c551dfd7217890517ad
Markdownf35120b389f2ef75547319b1d8d8e8d42991426fdd473f230e8994b0340e88b7
PDF
Publication page422fbb5c560cc37a210c1eeb36ae61169864febc4bca86be8a8400f771f52691
Manifest5dd84a8bb383ee7ab990765628657388db8f631262738a5b9c7730b2f6349797

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
Signature75UMof9ho1yHTXmXrC4bSAGPOu8qaTz66dqfBKdbhXQOCDnO5ysjJ5x1mMUbnmlWwhcnzZSpNMW3bd9JEr0vDA==
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

2026-09-17T12:10:16.022436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012637
observed 422fbb5c560cc37a210c1eeb36ae6116...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:15.999839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012637/manifest.json
observed 5dd84a8bb383ee7ab990765628657388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:15.978115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012637/publication.md
observed f35120b389f2ef75547319b1d8d8e8d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:15.959118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012637/publication.txt
observed eb61714ca07acc9d0cf37b577b9081e6...
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.