OpenTechnical

OT-2026-000006240

Publication integrity record

Vacuum cup gripper, two outlet manifold, two stage ejector, vented before set down, polyurethane cups

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-2026-000006240) never changes.

Identity and time

Publication numberOT-2026-000006240 · never reused
Internal UUID01a0a954-1270-760a-b7af-7d93e117df7d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:27:34.387133Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006240
StatusPUBLIC

Content hashes

Canonical text48c473568e6c23541cf8070ea8e044601c81be333e2c7f94b1ef0add165d3051
Markdown09e7a1bb1d3bce07d2e725e75eafd191466f324d9c3c5b14d6cc527c7ff4076d
PDF
Publication page45db227ce219336f08928ff64378032c8a464684914a7dd70a1aed8978ee2b93
Manifest38dc595678d5ac9509720f27190069104f3c6c135e680e9cac7747dbec9cd006

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
Signatureavqlc5oIWIurlmZ4MUbBvwa1iBI0F1shDH3W0ecyNGmIuHbEntCoYqrWA+RwtTLwC6sBrzOhYBEQFm3l9yBUDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:30:11.215193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006240
observed 45db227ce219336f08928ff64378032c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:11.201518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006240/manifest.json
observed 38dc595678d5ac9509720f2719006910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:11.187771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006240/publication.md
observed 09e7a1bb1d3bce07d2e725e75eafd191...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:11.174068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006240/publication.txt
observed 48c473568e6c23541cf8070ea8e04460...
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.