OpenTechnical

OT-2026-000084675

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000084675) never changes.

Identity and time

Publication numberOT-2026-000084675 · never reused
Internal UUID01a0ae98-e25c-73f9-ad0b-a62da1125a0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084675
StatusPUBLIC

Content hashes

Canonical textd013818d9c6fa81b0c89eb1f25869202fa20ef8e86f19dbd1dea7e3a9b4b5a1a
Markdown59264ca1519577f57d0bbffc9f9d137d85307b0b7b7ed68c262cad4cd9f21f68
PDF
Publication page294fc76ddc776be4a331b378ee3959e31dbfc8fc6e724d099eca26af866ecb34
Manifest4f5d9c224c6cd28eccf8709c61b9fbdd715f53ab0543b45df3384a83e9d3af43

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
SignatureHN1kO1J+I1PndqwExpw2isSkNABWh5RfisbIerFKrDXY8K9XempTqMMzSDJYkq3o3XgWxKmtniABenePVD/KBw==
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

2026-09-17T09:55:36.045990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084675
observed 294fc76ddc776be4a331b378ee3959e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:36.028993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084675/manifest.json
observed 4f5d9c224c6cd28eccf8709c61b9fbdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:36.011482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084675/publication.md
observed 59264ca1519577f57d0bbffc9f9d137d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:35.992757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084675/publication.txt
observed d013818d9c6fa81b0c89eb1f25869202...
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.