OpenTechnical

OT-2026-000078238

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, vented 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-2026-000078238) never changes.

Identity and time

Publication numberOT-2026-000078238 · never reused
Internal UUID01a0ae95-7c26-7c54-98f0-55f5017e01d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078238
StatusPUBLIC

Content hashes

Canonical textcd5646ebc52db31474ddf340a19d66541c3b08ef7e250a2e460550d6ad14a2ab
Markdown4a9920a44ffec3732f493eefa9351b9c95f6d120754dea985d7c9623420a60d7
PDF
Publication page0c06dfde971c85b42c39f15d1372b9036a47f5ce4f699fb5ed045c7b850a4e0a
Manifest59fbd9ef3887657185c5599943b1171a19f3b2841c18c2c8d834f61f778ff38b

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
Signaturel2aWQW1Bp3LK80ynk3ZF8Owm2y4jBWia76enkE/4gz4Q0vXMkiAOwPZYisPE+qDkyg6F5SDePd/aenz7eFJXCQ==
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

2026-09-17T10:06:11.276458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078238
observed 0c06dfde971c85b42c39f15d1372b903...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:11.257810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078238/manifest.json
observed 59fbd9ef3887657185c5599943b1171a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:11.240028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078238/publication.md
observed 4a9920a44ffec3732f493eefa9351b9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:11.221729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078238/publication.txt
observed cd5646ebc52db31474ddf340a19d6654...
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.