OpenTechnical

OT-2026-000092238

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, 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-2026-000092238) never changes.

Identity and time

Publication numberOT-2026-000092238 · never reused
Internal UUID01a0ae9d-875a-771c-88d3-fe16bd98ffac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092238
StatusPUBLIC

Content hashes

Canonical text57687c9d4c2b14630601cb42a0b3102e08015ef377b6b2e2cd94bcd753679939
Markdownc62242ceb24906e9a0b399c499d12a8a043b89a28909fca77439c6e5b9cce5e2
PDF
Publication pagebc2c9229009c56b28290a199cdd17e00cfb529b7e4ada2135a8bb6536d79f67a
Manifest7b3c2761626a2f45045f204654ee5a1b8c1e5484db0e9dd1662094583aee68b2

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
SignatureG7/D+lC+eeb7H3360ob85TzbrR4suUr43UN/cgy2glc3smFCrgwRzG38tnxZLlsnSfU9kPcpAyj/I/Jg++xSCA==
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

2026-09-17T09:41:45.515929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092238
observed bc2c9229009c56b28290a199cdd17e00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:45.497793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092238/manifest.json
observed 7b3c2761626a2f45045f204654ee5a1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:45.475561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092238/publication.md
observed c62242ceb24906e9a0b399c499d12a8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:45.456947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092238/publication.txt
observed 57687c9d4c2b14630601cb42a0b3102e...
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.