OpenTechnical

OT-2026-000005702

Publication integrity record

Vacuum cup gripper, two zone face, plant vacuum fed, sustained blow off before 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-2026-000005702) never changes.

Identity and time

Publication numberOT-2026-000005702 · never reused
Internal UUID01a0a941-f60a-7b39-9126-de83fe213417 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:07:47.470275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005702
StatusPUBLIC

Content hashes

Canonical text968efcb337bff6e88d781fdec2120d996a2744c25c4771c765d1aa3551c23cbf
Markdown336a75e25029e7ba6d7df70f224723860ad3ddc4582932daca92dc62fe7d2800
PDF
Publication page9928eae895fc7de900e0a43eae494a71e3d375e11dabe5a82133699b7cc951a0
Manifest43af6e98da4cb6c54cf5fa0c6fd61ae8fb3ade518e9d86ce855051cacfb9637e

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
SignatureD4Eb95rHrF4UYIGVtYtWwZrHh26H+P8OV3Cv2pdHMp7lTdNxEFzuBocm+1YC81Mj7Gvz0Yh95eEnwqC1pqvnBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:09.937418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005702
observed 9928eae895fc7de900e0a43eae494a71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:09.923402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005702/manifest.json
observed 43af6e98da4cb6c54cf5fa0c6fd61ae8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:09.907944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005702/publication.md
observed 336a75e25029e7ba6d7df70f22472386...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:09.893074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005702/publication.txt
observed 968efcb337bff6e88d781fdec2120d99...
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.