OpenTechnical

OT-2026-000084372

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000084372) never changes.

Identity and time

Publication numberOT-2026-000084372 · never reused
Internal UUID01a0ae98-5b62-7224-b70b-a8f0d81d5606 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084372
StatusPUBLIC

Content hashes

Canonical text14c1c1b711a060d9e3b921e0737f60acdac96da694afd3d7cc606df5b4e8b392
Markdown00510d87e155e26dafa990935201cc9dbe61b64c31d10bd8b86087a982eadaf5
PDF
Publication pagef56f32a46b7779e977d1d81725fd5121de39c49a38be30b9c59df09a60ebbf70
Manifestb744aab24e39a098b3912322982eb333c125d03bd659826747686af542accf31

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
SignatureWELeUvJ0QHokGSc2s05Kqju4D/N+CuFTm2ifAKAFgXy4fc155FucAHM4+sHX2UAYVFFCLpzYAzpKPBmYt2scBA==
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

2026-09-17T09:56:18.632021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084372
observed f56f32a46b7779e977d1d81725fd5121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:18.612495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084372/manifest.json
observed b744aab24e39a098b3912322982eb333...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:18.594324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084372/publication.md
observed 00510d87e155e26dafa990935201cc9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:18.577383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084372/publication.txt
observed 14c1c1b711a060d9e3b921e0737f60ac...
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.