OpenTechnical

OT-2026-000004597

Publication integrity record

Vacuum cup gripper, four outlet manifold, ejector fed, contact triggered, vented after set down

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-2026-000004597) never changes.

Identity and time

Publication numberOT-2026-000004597 · never reused
Internal UUID01a0a91d-3b56-7c6c-ad18-c231c0cb9fca · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:27:40.377337Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004597
StatusPUBLIC

Content hashes

Canonical text5afe32fc6703e6be0a49c7153381c3a2029a31a6dc7102238e91edd3656aa944
Markdown142f7dc57d50dff6762e4059f01ddea927217099a559a640d81284e678535942
PDF
Publication page8fb80428c6ae1ef005a0f629b1299dba2a81d528747fdb29e5202c077b800253
Manifest8ecee1905b0c39d3273e3a93e343e9173286dba1d9eac2e96ff4a4a40c07d8eb

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
Signaturegs8mwgM9UwYmTCWoT64q7X75r8Nb0A78pfEeTfYP6vrYAn+2zlgfvb1nmqvOp94CRPWC4nu/jZ6c42UXdovyBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:30:10.898424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004597
observed 8fb80428c6ae1ef005a0f629b1299dba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:10.884998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004597/manifest.json
observed 8ecee1905b0c39d3273e3a93e343e917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:10.871270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004597/publication.md
observed 142f7dc57d50dff6762e4059f01ddea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:10.735226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004597/publication.txt
observed 5afe32fc6703e6be0a49c7153381c3a2...
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.