OpenTechnical

OT-2026-000011287

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, vented after 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-2026-000011287) never changes.

Identity and time

Publication numberOT-2026-000011287 · never reused
Internal UUID01a0ae6c-5410-75cc-9eea-50c39b00552f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011287
StatusPUBLIC

Content hashes

Canonical texte34ff3118d618ef76af57b705a558c95051b317503b91a1758eaf1b0d5e1b26b
Markdownd10985e6a57d2064f1b1554eefcb037d9d0fa62ead837d0dc5e4fc9d5cba1aea
PDF
Publication page06346390ca2846b12de3cebea94580ad1f909da8e4998229df6a0ab4383a21d9
Manifestb1a45746ee240b393fff0c34485809d322034aaa2f8473d3db11ae381200e2af

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
Signaturekwztmp51G0CKX8cXd/5Oq8xsULLp5Ub+SLjcLYl2xlA8ZurYLO/Gbb3QCBngboTD/CAPR1KNGPcQVIuhuHBxCA==
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

2026-09-17T12:14:15.745420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011287
observed 06346390ca2846b12de3cebea94580ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:15.725795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011287/manifest.json
observed b1a45746ee240b393fff0c34485809d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:15.704928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011287/publication.md
observed d10985e6a57d2064f1b1554eefcb037d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:15.684219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011287/publication.txt
observed e34ff3118d618ef76af57b705a558c95...
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.