OpenTechnical

OT-2026-000068130

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000068130) never changes.

Identity and time

Publication numberOT-2026-000068130 · never reused
Internal UUID01a0ae8f-c4ff-771f-a884-f6acc8418afc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068130
StatusPUBLIC

Content hashes

Canonical text7da189dd5de7971296cf2197c6ff2f777fe57957ebb5771d74e1574fb0b9de6a
Markdown474df03fde4abf65e13f9ffe7b70621038d7a42ffb3b5625e270ca95adef7ead
PDF
Publication page0aa529f83a0840fdf00cb4dcd5fceb46059d812fe99dd977fe37eb800836d954
Manifest26c06eb7e7661907744df702eaf95e6f97a923816575b406b0050e7a9eb883d8

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
SignatureBIChptC1hOkknK50h4xaJoEZ0qM8rVm2+ySt7J8QUNtLbtIwsDsNqSeYLTWez2IZlwygsDb0pin/31HBUB0vBA==
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

2026-09-17T10:30:46.259145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068130
observed 0aa529f83a0840fdf00cb4dcd5fceb46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:46.241882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068130/manifest.json
observed 26c06eb7e7661907744df702eaf95e6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:46.221762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068130/publication.md
observed 474df03fde4abf65e13f9ffe7b706210...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:46.202174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068130/publication.txt
observed 7da189dd5de7971296cf2197c6ff2f77...
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.