OpenTechnical

OT-2026-000095492

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000095492) never changes.

Identity and time

Publication numberOT-2026-000095492 · never reused
Internal UUID01a0ae9f-8f73-77eb-8f8a-3fd60c704880 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095492
StatusPUBLIC

Content hashes

Canonical text64b124e40dac61e2805c74be8ff0d2b7bb04f2554d85e9bbf0fc0cf601095702
Markdown3479194e84d12c841459cdc27f5ad7e5b1f98d7e2f3aff8a7e9d8897b1dbaa1e
PDF
Publication paged44fc5d1ff162941208dd736f4fe16bf637fe2e50944e2e8fd5d8b246f21bbf9
Manifest0696e905f7ac7bf679e17b8f33fc21dd0373d5f704c91751829939ba4382b271

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
SignaturesebECa00RwF3qTC56zNWTdhGRsWQoQzmNl9pukZfWNE4K1G8l0YRhq3htoIXw4huWHj4peEkS2Qz7IBvkFvhCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:53.626347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095492
observed d44fc5d1ff162941208dd736f4fe16bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:53.607061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095492/manifest.json
observed 0696e905f7ac7bf679e17b8f33fc21dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:53.590114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095492/publication.md
observed 3479194e84d12c841459cdc27f5ad7e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:53.572315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095492/publication.txt
observed 64b124e40dac61e2805c74be8ff0d2b7...
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.