OpenTechnical

OT-2026-000038659

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000038659) never changes.

Identity and time

Publication numberOT-2026-000038659 · never reused
Internal UUID01a0ae78-2d55-7641-ab70-edfc43b81cb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038659
StatusPUBLIC

Content hashes

Canonical text3da88fbe6983af4239271c27f5ba592a3d536beb1474494d45c14537ce634969
Markdown7102eba27cfbd7c102c04b2f2840717f8e9da76fda25b09c7e5520409b1de7ff
PDF
Publication page8656f6c3a82692ee7451228753632dab3a71db84c9d21ad5cabb456a60e3b45f
Manifesta986b7bbd9122d68da62420b660d9ef49734b42146c617320ed1d3af428af6fc

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
SignatureOioITXauCw6w+6RovVnv8lqluS8GJcgHKjNgA7KD6zwbO705R3gPnc8MA4CdKqu3ZYP+wAqvizlpzeXt8oq3Bg==
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

2026-09-17T11:22:57.475613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038659
observed 8656f6c3a82692ee7451228753632dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:57.456386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038659/manifest.json
observed a986b7bbd9122d68da62420b660d9ef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:57.437006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038659/publication.md
observed 7102eba27cfbd7c102c04b2f2840717f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:57.417684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038659/publication.txt
observed 3da88fbe6983af4239271c27f5ba592a...
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.