OpenTechnical

OT-2026-000082599

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000082599) never changes.

Identity and time

Publication numberOT-2026-000082599 · never reused
Internal UUID01a0ae97-8cc8-7a6d-88f4-3ef9c4569b8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082599
StatusPUBLIC

Content hashes

Canonical text9ed736b9556c78f8e4f157c4709929d0fc48606213a5719f68c5e70d2d645494
Markdownf86b974d9a291218434f68d3a63cc3543dbbf9f72f2e3cfa545247980774d133
PDF
Publication pagee43f2d6305ff00ca7e0768a5aee18dbcc52a754b140c1ba65161f7d23b504cef
Manifest430ba1f005622c7a1e185dab19cc2d466b4a2d84861c538d76ae828e9017b253

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
SignatureSp5KvSWAWE94xVUhBq5aOuXU4N0L4YNL4kcASs7VxUa6f5ANT4U3fcO9Th+epaHShQ6jZFk4rvKO08OufpQ/Cg==
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

2026-09-17T09:58:02.557260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082599
observed e43f2d6305ff00ca7e0768a5aee18dbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:02.539898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082599/manifest.json
observed 430ba1f005622c7a1e185dab19cc2d46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:02.524719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082599/publication.md
observed f86b974d9a291218434f68d3a63cc354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:02.508471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082599/publication.txt
observed 9ed736b9556c78f8e4f157c4709929d0...
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.