OpenTechnical

OT-2026-000065188

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000065188) never changes.

Identity and time

Publication numberOT-2026-000065188 · never reused
Internal UUID01a0ae8e-1df9-77bf-9d6b-3d610c86b070 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065188
StatusPUBLIC

Content hashes

Canonical text7214a654f8a834406022a75aecc075875cb7369afc4e875571e1793025312a41
Markdownaad5c1f910e7bcb6fd4db8d8ded52c025aaf9c07fe5de5009a6c35028e64c4cf
PDF
Publication page1425ed0c7af268a61f4c13c5eee3b511c1bc29ef7b2184e3f07af16d1c9e669f
Manifest72528455848a29fb8d0e9169e74c8e76ed5898ee3e0e1aa71065ba0a0e364452

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
SignatureBJx8U1RmgK6O2KWN+ySVNTOshNdQHH8zRLRSZ3CrqWX1a4wLftQDCfFs8VoLmomIakvvZ1qI/w1YYFj2eBDMBQ==
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

2026-09-17T10:35:02.048969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065188
observed 1425ed0c7af268a61f4c13c5eee3b511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:02.031020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065188/manifest.json
observed 72528455848a29fb8d0e9169e74c8e76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:02.012716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065188/publication.md
observed aad5c1f910e7bcb6fd4db8d8ded52c02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:01.988407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065188/publication.txt
observed 7214a654f8a834406022a75aecc07587...
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.