OpenTechnical

OT-2026-000079071

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000079071) never changes.

Identity and time

Publication numberOT-2026-000079071 · never reused
Internal UUID01a0ae95-ccbf-757a-94c0-c5fb502b0715 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079071
StatusPUBLIC

Content hashes

Canonical textcbfc785b9758c62f7b42f2f051e76f9eaa02513340a9c63244704bcee60106a1
Markdown2a14c4be3f9de2138136a83e07c5f753e5051173cfedb28ce80b26d4484dd333
PDF
Publication pagefa7f5cc876a8791f03e04e1dbbce07c48dd8d2634547d5ed9d6ac4641d7c4849
Manifest2001c45c6be0c4cba02afc1422f1ad5260dce9eb3a10677be37ea7b18c7081f1

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
Signature8U9V5yB8neC2JyvlwOIL3dchfS0XLN+YevcMjwwd7tq9izEj+WBUYiOo+b94dICq33XFGj2h5dNer9X1TWjxBA==
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

2026-09-17T10:05:54.832791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079071
observed fa7f5cc876a8791f03e04e1dbbce07c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:54.811231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079071/manifest.json
observed 2001c45c6be0c4cba02afc1422f1ad52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:54.794155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079071/publication.md
observed 2a14c4be3f9de2138136a83e07c5f753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:54.774364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079071/publication.txt
observed cbfc785b9758c62f7b42f2f051e76f9e...
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.