OpenTechnical

OT-2026-000074177

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000074177) never changes.

Identity and time

Publication numberOT-2026-000074177 · never reused
Internal UUID01a0ae93-7178-73c5-8d4b-de9baebf71fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074177
StatusPUBLIC

Content hashes

Canonical text0beda9c5b10b01a196c0255857cdb79f3e6ec6d4f1bdec070af305e8190f56a0
Markdownb43aa90a3415951ca103b876bf37bd1abec42f5d82fb110773d746f14f483786
PDF
Publication page1c170b3e38f3fccbb1419130563b3e073afc0a2effc6a5e0e2477c5489667822
Manifest37c62c6abd1329fcfc9adf8c68710b62c78448a33508465147d3d962ce266195

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
SignatureeR6ikPVC+E43m0QpCtbNUAEg++yS0uQfCyCtLv/KZAxcONhkOflFwCt+ZIDdsrF4Zd544aHv9cqGg3AKEcHJCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:01.711204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074177
observed 1c170b3e38f3fccbb1419130563b3e07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:01.693459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074177/manifest.json
observed 37c62c6abd1329fcfc9adf8c68710b62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:01.677110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074177/publication.md
observed b43aa90a3415951ca103b876bf37bd1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:01.660114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074177/publication.txt
observed 0beda9c5b10b01a196c0255857cdb79f...
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.