OpenTechnical

OT-2026-000091639

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091639) never changes.

Identity and time

Publication numberOT-2026-000091639 · never reused
Internal UUID01a0ae9d-43b8-7851-a55b-95209e6b95e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091639
StatusPUBLIC

Content hashes

Canonical text361f89a5cc6be97dfe57e2bf8ebb49fa465a20111662eabea4f9570852c0dbf6
Markdown0139cd4a03250180a911c20bc0d1f1ddb689cafaaf9606e45ea13d688ddce5cd
PDF
Publication page769207587f4f10b99955cb188f4ff051789be6a98f62458e0795a4a4e3d601ca
Manifest25de8653108475332097990c8652a6829f7c8574319d4cfec4b579ea2df7a701

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
SignatureEZJZE4f1m/hpucpyxpuiZY9iYZr5jPiI0DQyPEN1ls2gKyWxyCzv0g1dgfE6/dwpWoupwCRxWFiS3zVRzdAqBA==
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

2026-09-17T09:42:00.360681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091639
observed 769207587f4f10b99955cb188f4ff051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:00.344454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091639/manifest.json
observed 25de8653108475332097990c8652a682...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:00.327008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091639/publication.md
observed 0139cd4a03250180a911c20bc0d1f1dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:00.310030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091639/publication.txt
observed 361f89a5cc6be97dfe57e2bf8ebb49fa...
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.