OpenTechnical

OT-2026-000033712

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-2026-000033712) never changes.

Identity and time

Publication numberOT-2026-000033712 · never reused
Internal UUID01a0ae75-a390-73ed-bee5-d7db7032ed80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033712
StatusPUBLIC

Content hashes

Canonical text9cdb1f8a731e1bfb8949910c88ab57d6a7de8c7ee1d6c43fe0eda96de1c6c384
Markdown8d6117981c633e8631c31d23f14c48f01a26f9e708252c86a24ce6c00a26e8a6
PDF
Publication page8fff891dba2394afe0bf32be20df02470c58d1a4167db0625f4fd964ea775df9
Manifest951a18cd035dea606defe55bacdc6d73d88c4416af08eb49150f909ef1cdaa7d

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
SignaturekhrTTUEQ6MmYNNoaBC2D0m32dALgDPjBAAsQMmjDsZzhKCwZPn7poQlGeVJ1b59W+VEAS5Gy47WaqPmsfd0hAw==
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

2026-09-17T11:31:42.705307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033712
observed 8fff891dba2394afe0bf32be20df0247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:42.687268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033712/manifest.json
observed 951a18cd035dea606defe55bacdc6d73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:42.671006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033712/publication.md
observed 8d6117981c633e8631c31d23f14c48f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:42.653867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033712/publication.txt
observed 9cdb1f8a731e1bfb8949910c88ab57d6...
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.