OpenTechnical

OT-2026-000067313

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000067313) never changes.

Identity and time

Publication numberOT-2026-000067313 · never reused
Internal UUID01a0ae8f-6bd6-7653-ba0f-e732e23ee766 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067313
StatusPUBLIC

Content hashes

Canonical textb1359762f5f518d38d57306949fbd30cdc326b8883968d46c69fe31396a17252
Markdownb212c15869d11f08d4ac43057d04e6f01e33cdd3681e7ad68e60e34e2061680c
PDF
Publication pageb1a50a8f12ad1a5934f19d74b04fe16f68085f1cfa1f12b1d3dcf408ad8d424e
Manifestc76c03e8a0ba4ccdac91e328c72d70169b597e61c8ba435832f2715346fc8b68

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
SignatureVE8AIS4k3V7leB1sjP0EZIg5sjbyICpwGEn0dTF3zbqdJDb+vGP/rWHBqpFNgCmCyeCjjCXSVS/JgVD5hVCVBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:31:29.147984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067313
observed b1a50a8f12ad1a5934f19d74b04fe16f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:29.129246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067313/manifest.json
observed c76c03e8a0ba4ccdac91e328c72d7016...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:29.110124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067313/publication.md
observed b212c15869d11f08d4ac43057d04e6f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:29.093828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067313/publication.txt
observed b1359762f5f518d38d57306949fbd30c...
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.