OpenTechnical

OT-2026-000076666

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000076666) never changes.

Identity and time

Publication numberOT-2026-000076666 · never reused
Internal UUID01a0ae94-b06f-7863-8aad-0a0bc06494d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076666
StatusPUBLIC

Content hashes

Canonical textc12642d3a0d99b98ba430a6b561ec6476d32123773c66f35d052d4e69152e313
Markdownf6b9c2dc26fdcb6d3f0382f719e21edfcb3a609b46f742f92ded72b46b9ba569
PDF
Publication page83180c34781d0e5ea40af8328ee263a0b551f1d279c936fcb4a05e5135666d3e
Manifestfddafb277ab2569af5a60a620f1418fb20db25a5f13fae12fb2ecf63b0c39383

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
SignatureGNVrZ6vDwFhqPww9wZ7KEZPi/s1wWXL2p3ThfoxAB2iKltkYqBLHyxXg1xgUUkmvbDYkAWmvgtJJmE5jH1wmAQ==
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

2026-09-17T10:09:24.774068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076666
observed 83180c34781d0e5ea40af8328ee263a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:24.755824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076666/manifest.json
observed fddafb277ab2569af5a60a620f1418fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:24.734941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076666/publication.md
observed f6b9c2dc26fdcb6d3f0382f719e21edf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:24.712649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076666/publication.txt
observed c12642d3a0d99b98ba430a6b561ec647...
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.