OpenTechnical

OT-2026-000033589

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000033589) never changes.

Identity and time

Publication numberOT-2026-000033589 · never reused
Internal UUID01a0ae75-a38f-7820-bc43-b31a83855034 · 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-2026-000033589
StatusPUBLIC

Content hashes

Canonical text730cacd06d8db31cc9daac661f39c363e96800a26704ade36e6a1ca220ef911d
Markdowna4c320f133ba2933e136af7e54820454569485cec343e4e760040fd3a15d4a0b
PDF
Publication page501e5e932f58df893fc35df6b18cf29fded068fc4a8ca6ee7187e68b4ed03890
Manifest954a91033445e7ebca85db471510388e39ba10bba6613c53a0483aadbdae522c

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
SignatureE7qKEk9wVc8IdTkaz9JwjPxpINvC8f67MIjv/zUXRJoiLEEFvXy8mGI6mY8lE6D5X80erR4k+cR4G2vo+JXdDw==
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

2026-09-17T11:31:27.929262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033589
observed 501e5e932f58df893fc35df6b18cf29f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:27.911518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033589/manifest.json
observed 954a91033445e7ebca85db471510388e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:27.892857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033589/publication.md
observed a4c320f133ba2933e136af7e54820454...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:27.874048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033589/publication.txt
observed 730cacd06d8db31cc9daac661f39c363...
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.