OpenTechnical

OT-2026-000074601

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000074601) never changes.

Identity and time

Publication numberOT-2026-000074601 · never reused
Internal UUID01a0ae93-717b-756b-a46d-c2bba40fcc92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074601
StatusPUBLIC

Content hashes

Canonical text4555164a0084f2b6bfb9a37bdaa9ea97a439acd60a52718010c2750d25fe15b4
Markdown3535dfe6dfa837556848bc5b8e41533b8c0eb061c279714f9329116fb7e48f5c
PDF
Publication page251639d183f3bea562e72bbb9c1e633c0e3bf503deaad6917b9852d2bf0bfcdc
Manifest5d661a972e315d0f3371ca07c06e1237a81fa2a8131f4a1a97e706bf07c23722

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
Signature+VquUdwyUvRPt9gDScjWjGeKPAKDmz+w9MmM7x1MoG/5LHKZj6uBnwHH3S1+irZw/Ej7hyXNxPgwNUfK+C38CA==
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

2026-09-17T10:19:37.633911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074601
observed 251639d183f3bea562e72bbb9c1e633c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:37.616138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074601/manifest.json
observed 5d661a972e315d0f3371ca07c06e1237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:37.596201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074601/publication.md
observed 3535dfe6dfa837556848bc5b8e41533b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:37.575846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074601/publication.txt
observed 4555164a0084f2b6bfb9a37bdaa9ea97...
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.