OpenTechnical

OT-2026-000040144

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000040144) never changes.

Identity and time

Publication numberOT-2026-000040144 · never reused
Internal UUID01a0ae79-26fe-73c1-ad47-3c5f50c20a38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040144
StatusPUBLIC

Content hashes

Canonical texta9ca981f505f2d76cc4f17623abe6484e611d22f9bd4e75e5ee1b69dc0f395ef
Markdownd6f9b132350de1ff8a743b56e5774a31134460940656d7b565949e6e39163f52
PDF
Publication page92aedc95bcfb1eff5bbdf76d114cae32392f6c414974bc6d8367bb1012afa656
Manifeste879e39bff6eb4e1c061ffd3053c84b61881c3f55ca4d6b64ad875f1e36944bd

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
Signatureablb0Xe4S+UYMR9V4N+Myr11MiqX0zglcPwX3v8ixGplE1TrxJhMzoyCSjNV0gCSFu8YzquflCB9e88VALC5AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:19:01.003432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040144
observed 92aedc95bcfb1eff5bbdf76d114cae32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:00.989219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040144/manifest.json
observed e879e39bff6eb4e1c061ffd3053c84b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:00.974776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040144/publication.md
observed d6f9b132350de1ff8a743b56e5774a31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:00.959400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040144/publication.txt
observed a9ca981f505f2d76cc4f17623abe6484...
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.