OpenTechnical

OT-2026-000093037

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000093037) never changes.

Identity and time

Publication numberOT-2026-000093037 · never reused
Internal UUID01a0ae9e-090f-73fa-b68d-a92c2736639e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093037
StatusPUBLIC

Content hashes

Canonical text1c66bf8072487090f2943f67f6cd68706059df7331300ce26e0337e0c5c8825c
Markdown80c8ef1e3cc7bd6128640c66e0d038878b19ede3574693b4a638d3b5fd250035
PDF
Publication page745ee7c805e012b711785e565c117f1cdc18752ab2a3af0316bea9b542d5d0c2
Manifest92a5c70606294215582ec138a5544e01b11f9316b7ae7f2b49c001f0ccfd3c1f

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
SignatureR3HRwEg6ey6S+VQS5pTaysS2ux6O8eUiKwxVzLan3UpR/2L7zgGtlFykEtdLMHghJAlSzxf+6RM9A0eIzimFAw==
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

2026-09-17T09:40:15.340686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093037
observed 745ee7c805e012b711785e565c117f1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:15.325231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093037/manifest.json
observed 92a5c70606294215582ec138a5544e01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:15.309105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093037/publication.md
observed 80c8ef1e3cc7bd6128640c66e0d03887...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:15.292651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093037/publication.txt
observed 1c66bf8072487090f2943f67f6cd6870...
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.