OpenTechnical

OT-2026-000060765

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000060765) never changes.

Identity and time

Publication numberOT-2026-000060765 · never reused
Internal UUID01a0ae8a-b7d0-7704-8ef0-22db5d708b5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060765
StatusPUBLIC

Content hashes

Canonical text9b5f1b901ac03918bc46a57980f32013bd1991aad1f56af588c93c5e31b1122a
Markdown10729c787c045d00a4e6d87503d87ae86661f287182210572aec4cecc9ab8554
PDF
Publication page5f7c1216823df168ac2f1764c9b8c2c90d40fe0acc7c337f6f307523c1be3af4
Manifest2e2deec2f068f42dda73d0432fa922395a1b4cf0b4a3e52d0307b4cb1b615615

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
SignaturelSb9iK8k7VBVjMtLQtg+uUzf0co33+0mVzV+7uItj8FIlyl+sE6GkP/jQyyqEWHjZMr4iFUUn6TwaBb0BTu2BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:30.250349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060765
observed 5f7c1216823df168ac2f1764c9b8c2c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:30.232808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060765/manifest.json
observed 2e2deec2f068f42dda73d0432fa92239...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:30.215844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060765/publication.md
observed 10729c787c045d00a4e6d87503d87ae8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:30.198773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060765/publication.txt
observed 9b5f1b901ac03918bc46a57980f32013...
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.