OpenTechnical

OT-2026-000075749

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, pulsed 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-2026-000075749) never changes.

Identity and time

Publication numberOT-2026-000075749 · never reused
Internal UUID01a0ae94-29fe-7d54-9bcd-1b9464aea83d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075749
StatusPUBLIC

Content hashes

Canonical textceca4f264b063d05cf3ad479119556b6164d4f397b029307dc46328332f639fa
Markdown1d01213bbcd0ef4f9939ab8e32a2e94092e4dd6aeb46f6b3c3d695bd8d954c93
PDF
Publication pagef1030c20b44a1b9773fca4fc9fcd8f3748bb21453887a3cde76346cb0cc7e5a2
Manifest05e592a0b0e971e845747caa2b008b7bdbb7c1619b72b46d79f85a5c3e1b4595

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
Signaturee7sqgqtZmUVt0DDOXkaXiejIeIqJaGNzykH42tB8Q38W/pkJVQaw65Qj7H0VkUpNGca638KJqF7LlqCkkHekCg==
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

2026-09-17T10:14:07.445796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075749
observed f1030c20b44a1b9773fca4fc9fcd8f37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:07.302604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075749/manifest.json
observed 05e592a0b0e971e845747caa2b008b7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:07.281531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075749/publication.md
observed 1d01213bbcd0ef4f9939ab8e32a2e940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:07.258550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075749/publication.txt
observed ceca4f264b063d05cf3ad479119556b6...
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.