OpenTechnical

OT-2026-000033400

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000033400) never changes.

Identity and time

Publication numberOT-2026-000033400 · never reused
Internal UUID01a0ae75-8980-79f6-b07a-3b3e239a5508 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033400
StatusPUBLIC

Content hashes

Canonical text1e08b91095fc43066bfcf6fbe541798527a96acab4588fc8ecf439352aadfed3
Markdownd724e682ee8ec54802018531fe338483e0e858ff6baf3490949b593d751a7645
PDF
Publication page9b61f799c065b5a7e43848725c135ac26f8fec39395463f29d014420f03ab001
Manifest599d24eed5971087d2b3d5cc9e0468696bfb5ea6b908538e2806e76d1544bd06

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
SignatureqI4kQDMCnXS2T9SHeNijA9o3buGO9aQmQXy9GGZSQnKQ3qM8HAnZ/7FYd1bPO90bGkFJ1M9XKG6SevmWgsRPDQ==
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

2026-09-17T11:32:10.780229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033400
observed 9b61f799c065b5a7e43848725c135ac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:10.762114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033400/manifest.json
observed 599d24eed5971087d2b3d5cc9e046869...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:10.744650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033400/publication.md
observed d724e682ee8ec54802018531fe338483...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:10.726201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033400/publication.txt
observed 1e08b91095fc43066bfcf6fbe5417985...
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.