OpenTechnical

OT-2026-000036896

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000036896) never changes.

Identity and time

Publication numberOT-2026-000036896 · never reused
Internal UUID01a0ae77-773f-7c35-a3d8-ad9233dbaf38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036896
StatusPUBLIC

Content hashes

Canonical text6bfd993af9b123cb6d33df782f703c0c435dda5f7a7fe60f0e44f580090e0086
Markdown98dffc5e8e22b564317f04135b413b6552a6626d465ce76c70967e0e3894e440
PDF
Publication page739f1f2dc97ee36b5c1a4fa8f923ce7ef9f48c7eff523eb3c4dc763d004d3b68
Manifestb809175b0839933176ca3377256650e8c533059235793b56b5a4dcd7baefa8bb

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
Signature5oTAykdXkmXFq2eyYpj7ld7QO8QDEOEydoFahbdFhGaww+tRC35YPx+Z1g7d+WSY+5loDBLw0bJIy3TLUVJeDg==
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

2026-09-17T11:24:32.085741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036896
observed 739f1f2dc97ee36b5c1a4fa8f923ce7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:32.067811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036896/manifest.json
observed b809175b0839933176ca3377256650e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:32.050377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036896/publication.md
observed 98dffc5e8e22b564317f04135b413b65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:32.033776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036896/publication.txt
observed 6bfd993af9b123cb6d33df782f703c0c...
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.