OpenTechnical

OT-2026-000003656

Publication integrity record

Vacuum cup gripper, three zone face, three stage ejector, pressure verified

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-2026-000003656) never changes.

Identity and time

Publication numberOT-2026-000003656 · never reused
Internal UUID01a0a90a-a84e-7748-b52d-561f0a346772 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:23.088792Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003656
StatusPUBLIC

Content hashes

Canonical text92311aeeef6819aeb873c2217da724f13301d0fc6c4c7ce616d89cc40ebd303d
Markdown9929ae91af5d0b456d8d05292d51b5de12f29c161752e81457cc9be3784df0d1
PDF
Publication page75d15f862d1acaf43eebbda58bffdfae17b70a2383097776279ab6e7d30454f6
Manifest5a02241825f2a518654ad04ac8de6bee34f4f773b50f55e76ba9c5af427f80a1

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
SignatureYt4w0MiZNX67PT0fWlBrMnEzG0b+3mySLJHGUiCQ8O2AH+qZmB5qRf93q3TlpACG7ALQw0x8EdXH7HW750aiBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:20:36.976557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003656
observed 75d15f862d1acaf43eebbda58bffdfae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:36.960345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003656/manifest.json
observed 5a02241825f2a518654ad04ac8de6bee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:36.943835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003656/publication.md
observed 9929ae91af5d0b456d8d05292d51b5de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:36.928619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003656/publication.txt
observed 92311aeeef6819aeb873c2217da724f1...
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.