OpenTechnical

OT-2026-000010636

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000010636) never changes.

Identity and time

Publication numberOT-2026-000010636 · never reused
Internal UUID01a0ae6c-0ee8-72ea-a400-5ee9d9bda6e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010636
StatusPUBLIC

Content hashes

Canonical text20ca40a9b9f248704fb23c1bb7e124cf5b81a862e9870accd1bbdf5865d897fe
Markdownf7e0b1b6d0478dc1906bd0c2bc84fdf6c09bc212b44e103465184c1a1cf542c0
PDF
Publication page424359d5ac2c94cc28b0700c88522991d710dbb26d0df6ff5961d0b5334f0d04
Manifest0f7f2a1316ac9926a032370b1b1e111b9678cf8534d753c25737076fb2950cbc

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
SignaturerztN5hywwWAg8kL0kuZVm0RWGcuKuXhJhEyHlRkXZNRkLCdIyM9vGVbVHQGY3AfuzyHiPUslSntG9pDuOQuoBw==
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

2026-09-17T12:14:49.958751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010636
observed 424359d5ac2c94cc28b0700c88522991...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:49.941293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010636/manifest.json
observed 0f7f2a1316ac9926a032370b1b1e111b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:49.921530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010636/publication.md
observed f7e0b1b6d0478dc1906bd0c2bc84fdf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:49.903331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010636/publication.txt
observed 20ca40a9b9f248704fb23c1bb7e124cf...
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.