OpenTechnical

OT-2026-000003690

Publication integrity record

Vacuum cup gripper, four zone face, per zone isolation, three stage ejector

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-2026-000003690) never changes.

Identity and time

Publication numberOT-2026-000003690 · never reused
Internal UUID01a0a90a-c111-7e2a-84ee-060fd3f7afe7 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:29.427790Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003690
StatusPUBLIC

Content hashes

Canonical textd8c172e2dde6479ef44c2d027bea5027f28dc040baad3514206b6913319fad20
Markdown9acdf482c155c16fb0fd8f1e00f1cd6718366207c5b8e03e50a1ece26f28fb22
PDF
Publication page465fe8d81949e5ab268b3b1d198541e127edef1d7c78fed05d759c1e972ec51a
Manifest0514efe38f4712debef45ed29bc47b94034d645936a30035b6d42af134623c1d

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
SignatureJWG+pFLXaVDM7FOt3kiV82Mk/nGLe4ABx/SAuAKXqWKdzqm5PT6G/Y4Pa2LNdkpsWRu6IEWu+H6LAbJThL+LCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:10:34.740320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003690
observed 465fe8d81949e5ab268b3b1d198541e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:34.725614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003690/manifest.json
observed 0514efe38f4712debef45ed29bc47b94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:34.709348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003690/publication.md
observed 9acdf482c155c16fb0fd8f1e00f1cd67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:34.695027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003690/publication.txt
observed d8c172e2dde6479ef44c2d027bea5027...
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.