OpenTechnical

OT-2026-000042985

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, sustained blow-off after 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-2026-000042985) never changes.

Identity and time

Publication numberOT-2026-000042985 · never reused
Internal UUID01a0ae7b-3277-704f-b217-6b31daf9e510 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042985
StatusPUBLIC

Content hashes

Canonical text33cbbe96b14fb22378c071fe1786fdfd80b5c881b085748a2fb0bb1396dfc54a
Markdown181dd435d4c3f2a6a4996c04b64e210edf88e8aca608cf9aefe3d959680255e9
PDF
Publication pagec0868203410d10c29991b03217cea915d266e16b9baaca6711fac7ed07d319a9
Manifest436c6ee432d02df39eb7fc79ba965421de54b0570f16020dce55107d3b112dfc

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
SignaturePfHksHE3RIs1vbtBxTnE75Cr1e83KSd75lew3CJqLZGBy+ZOTd2+bQQusphVvaXnrzAI+6BX7+/KrX8ek0uoAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:17.292706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042985
observed c0868203410d10c29991b03217cea915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:17.273465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042985/manifest.json
observed 436c6ee432d02df39eb7fc79ba965421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:17.254462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042985/publication.md
observed 181dd435d4c3f2a6a4996c04b64e210e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:17.233203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042985/publication.txt
observed 33cbbe96b14fb22378c071fe1786fdfd...
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.