OpenTechnical

OT-2026-000025243

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pulsed blow-off before 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-2026-000025243) never changes.

Identity and time

Publication numberOT-2026-000025243 · never reused
Internal UUID01a0ae71-5fa6-731d-bcd3-8c13652ade77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025243
StatusPUBLIC

Content hashes

Canonical text075e80897ff0e37b13f27252ff2765d12577093fffb1be199b0f800e79aa78df
Markdown9d490d1eedb202c5fe143ff1cab15435c5de6a11727d0d47333fc3983f9b4a64
PDF
Publication page7575db28e888fd7e421f15f90c5f7563f211a08037a4046745c5d5f1f52ff89e
Manifest5a520e6914c4e357e79728753b0067f9637d7509568d2eccbfbab224fe995240

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
SignatureiKdH4+QZ/bT3E1Ql0sutujYaCfZY9qWYFAK8Mq6ATFu3HA6wJcBLxjiyRMpTG9zXDcIot5kbf81SWXOXcP16Aw==
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

2026-09-17T11:47:15.078705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025243
observed 7575db28e888fd7e421f15f90c5f7563...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:15.062737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025243/manifest.json
observed 5a520e6914c4e357e79728753b0067f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:15.044444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025243/publication.md
observed 9d490d1eedb202c5fe143ff1cab15435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:15.026336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025243/publication.txt
observed 075e80897ff0e37b13f27252ff2765d1...
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.