OpenTechnical

OT-2026-000044615

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two 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-2026-000044615) never changes.

Identity and time

Publication numberOT-2026-000044615 · never reused
Internal UUID01a0ae7c-39d9-773b-bd6d-d60043ee3333 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044615
StatusPUBLIC

Content hashes

Canonical text6e2e2b502ab82bc9c69ba33c5eba16b136dd0f3362a3e128219720abad5c166f
Markdown41876671ea657b7a91be30c5ed101ec509d92d5f74f6706e1668d3b1310d705b
PDF
Publication pagea2bd5e66831d7c8eef62c6f5db3e8fd59121083d5d469d2c79a5e162c6ef3e13
Manifest7e9014c85ae3fdeea1adb8f2873df0b3db854dabbbb1264a15989b534798649b

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
SignatureuQIi/iny1Pje34GKcZ5TjXceh3MLOLUynF5ZZmeM3ds/uSU+yg1NjRN8dyv/MD3VEukFNCAz4cPSU+oWQK1aBA==
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

2026-09-17T11:11:50.949164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044615
observed a2bd5e66831d7c8eef62c6f5db3e8fd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:50.928421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044615/manifest.json
observed 7e9014c85ae3fdeea1adb8f2873df0b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:50.907005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044615/publication.md
observed 41876671ea657b7a91be30c5ed101ec5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:50.888237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044615/publication.txt
observed 6e2e2b502ab82bc9c69ba33c5eba16b1...
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.