OpenTechnical

OT-2026-000042806

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained blow-off 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-2026-000042806) never changes.

Identity and time

Publication numberOT-2026-000042806 · never reused
Internal UUID01a0ae7a-c0d0-7991-bfb7-b9df35087337 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042806
StatusPUBLIC

Content hashes

Canonical texte70e874319af7c43b32bae0874bcff445377a952079a6acd691f5d6e438c8a40
Markdown8287f64839fa0a563298dd6d9b340a91123682d0f75c97c91c3a8b8b17090914
PDF
Publication page6feb3a9da01e34b98c9193a2b5a01a72c2328c9df77afa4bdb7247b7bc94edfd
Manifest395c586e871eb4d9f92b07ff6b3afaddcf2d95280efe42e137549aa61432ceb8

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
SignatureKGFaMDZ9VUze73Qt8hMPqCaSJLMm6VONz8u0InK9gxQhllOYjD3YJKKkEUlT8FoVHSjjIdl43AGg1UGsizALBA==
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

2026-09-17T11:15:16.805453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042806
observed 6feb3a9da01e34b98c9193a2b5a01a72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:16.784569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042806/manifest.json
observed 395c586e871eb4d9f92b07ff6b3afadd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:16.762934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042806/publication.md
observed 8287f64839fa0a563298dd6d9b340a91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:16.741485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042806/publication.txt
observed e70e874319af7c43b32bae0874bcff44...
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.