OpenTechnical

OT-2026-000079481

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, 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-2026-000079481) never changes.

Identity and time

Publication numberOT-2026-000079481 · never reused
Internal UUID01a0ae96-0b91-71d6-8807-ba683b3c7c44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079481
StatusPUBLIC

Content hashes

Canonical text796b02a378e7306ed536a5308e360ca88ce51f817b7f653e932a2785fcaf98dd
Markdown700a04689ec7fb1502098a596be4df98bbd418e7eabf3981be6a5b26453fb390
PDF
Publication page5b511e371dc82b26a41dac0b1294259608f1b1fe7b41cd1eff7aa3bb77093f7e
Manifestbaa619ecb210b7ac91f3767a33ec70b60a0475adcedd30490cbae7ed1d4b2796

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
SignatureCi2mTDYpej6iZs19B1ewEuV4z9ckAOSPTO9gbZ8IT6lMI/Z8rv7ykH9F1m8a7Mlm3lcFFV6oILNSvZTDpRZ1CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:06.259563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079481
observed 5b511e371dc82b26a41dac0b12942596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:06.240706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079481/manifest.json
observed baa619ecb210b7ac91f3767a33ec70b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:06.222643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079481/publication.md
observed 700a04689ec7fb1502098a596be4df98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:06.204430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079481/publication.txt
observed 796b02a378e7306ed536a5308e360ca8...
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.