OpenTechnical

OT-2026-000005023

Publication integrity record

Bellows cup vacuum gripper, two outlet manifold, two stage ejector, contact triggered on the face

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-2026-000005023) never changes.

Identity and time

Publication numberOT-2026-000005023 · never reused
Internal UUID01a0a92b-6099-76bb-9b2f-eb0c5fa4c119 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:43:07.419898Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005023
StatusPUBLIC

Content hashes

Canonical text376086a2819d3bc71612f7329864b767f8ad724f149d3abd2125269c1ceeb0c0
Markdown68131b5672f6af55c461f0ecb07de7f1308e1aba07114c26424d9fbc5f84874b
PDF
Publication pagecff55b74bce209efe60912a9bfe083870ee790ed4803157d345d4a4bc6969a0d
Manifestb5db94fdec4faee1528cc322b2e13d8f587a906e2f57f291dd4e096799289bd0

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
SignatureSvf+km9pM/8yRSgqvTIe/fzXl7D/g+fsd9VIfz1ErnqxTw/NlcSdZWN94pLHI07OFS/CEcdDDT4AS46ibtSTBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:23.899271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005023
observed cff55b74bce209efe60912a9bfe08387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:23.884928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005023/manifest.json
observed b5db94fdec4faee1528cc322b2e13d8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:23.870961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005023/publication.md
observed 68131b5672f6af55c461f0ecb07de7f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:23.735989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005023/publication.txt
observed 376086a2819d3bc71612f7329864b767...
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.