OpenTechnical

OT-2026-000041945

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, sustained blow-off after 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-2026-000041945) never changes.

Identity and time

Publication numberOT-2026-000041945 · never reused
Internal UUID01a0ae79-e8a6-7316-af24-bb5685b18e35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041945
StatusPUBLIC

Content hashes

Canonical text92d88202fb1f7a84a2ab6a984cbb1d78a15f0c0220f3c0e3ae2f2d56a2498272
Markdown1327345199d99be1d67b8f2c3aa4e48d26417331f20be6d92aa230b69cc7909e
PDF
Publication page372d3745f7b1f6c0d972f2a897d1312bb07a6fccc8f4fe27f4b66ea07ca33e51
Manifestfa5e7cd1ebf583a51c16416a77a450e88ec03080e8ca495a345cdf7fc19ab8e0

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
SignaturenHJcy+ysu8LKA5EaJ2zjQ/d0qGl8VJHW5IiagwN1A/UDPpkYpT9ZmrV1QV7hRycU6EgPcs/26jiduxQDE2umCw==
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

2026-09-17T11:16:50.092175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041945
observed 372d3745f7b1f6c0d972f2a897d1312b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.076217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041945/manifest.json
observed fa5e7cd1ebf583a51c16416a77a450e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.060140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041945/publication.md
observed 1327345199d99be1d67b8f2c3aa4e48d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.042454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041945/publication.txt
observed 92d88202fb1f7a84a2ab6a984cbb1d78...
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.