OpenTechnical

OT-2026-000036132

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000036132) never changes.

Identity and time

Publication numberOT-2026-000036132 · never reused
Internal UUID01a0ae77-01ce-7685-8ebb-248f4b78cc5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036132
StatusPUBLIC

Content hashes

Canonical text3afbda27c5c47f9cd033399d0c155946e0e18ef5d2ab3f6dfcad4e26a7476795
Markdown9f213dabc08078b9e82af13346308562023820e837c96fd4f20b065ae4e7b51a
PDF
Publication page19e400b2de5fad394a4b0343df7d71b8561d05bf541d3d930b36d5a0d0f7e339
Manifest56f0ebb776639b4e2fba00b493c01969c63b309090200efa5c47d8ce043f04cb

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
Signature1cHg2UHJNE8HFGYXQJmlB25pj20k+X4C5ECnRINR1gNQGT+cgMr/bElt+9wp7OqcNmNtFN6ttXf1Jv25VjOvDw==
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

2026-09-17T11:26:19.415654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036132
observed 19e400b2de5fad394a4b0343df7d71b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:19.398863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036132/manifest.json
observed 56f0ebb776639b4e2fba00b493c01969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:19.381953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036132/publication.md
observed 9f213dabc08078b9e82af13346308562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:19.363691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036132/publication.txt
observed 3afbda27c5c47f9cd033399d0c155946...
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.