OpenTechnical

OT-2026-000063388

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000063388) never changes.

Identity and time

Publication numberOT-2026-000063388 · never reused
Internal UUID01a0ae8c-f944-7bc1-b0fb-a47fbd51c74f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063388
StatusPUBLIC

Content hashes

Canonical texta4bcb2a866e91b608abb4e047b448fa6886010640609a92444a0f30a41b29a0c
Markdown6d2ee5da94396050210b4f2167c0f0149cac897d1f8262b9a7c41a170dece550
PDF
Publication page82c1ca2cf8f30950bd1e446d8b3bac18ae77e324e6e162bd7c9ee2997f0ebf36
Manifest825eb9dcf13c5861aa501dac1e0d0dfa29c4115a81cd7990e06c03c8ac4322ee

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
Signature6Btk29JPMELyPHwwh7TfT7+RanmUemT9R/aAhRAsTw9i7IFgwkkMoQ0rQ8a4bgyegiV7E4Fn5ocgkfcQt5zCCw==
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

2026-09-17T10:37:18.146572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063388
observed 82c1ca2cf8f30950bd1e446d8b3bac18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:18.127243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063388/manifest.json
observed 825eb9dcf13c5861aa501dac1e0d0dfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:18.108938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063388/publication.md
observed 6d2ee5da94396050210b4f2167c0f014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:18.089934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063388/publication.txt
observed a4bcb2a866e91b608abb4e047b448fa6...
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.