OpenTechnical

OT-2026-000062754

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three 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-2026-000062754) never changes.

Identity and time

Publication numberOT-2026-000062754 · never reused
Internal UUID01a0ae8c-6389-79a6-b0f6-6af5e006da5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062754
StatusPUBLIC

Content hashes

Canonical textc65ab02fe4aede1700297397fcc4c73d674e00a88175cb309fb9fce455889842
Markdownda667b4e0850a7ed56f9cbf90c2c62a034bfcf66bb3b7798bb100c296eda2d7e
PDF
Publication page849e7b465f6987d37d8ea3415de75d9fc4fb274b6564c20097b0e0718908e4e5
Manifest483942b982964f4d75877b879fcc96e39d138fe403d7388ac40b652a7b1e8980

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
SignatureQbZsQjN5lGEce9FmCxBuCp2FbM5IRYcGwXCShIJ2HqFZ9OxnJr/+6fRFMucRFTGFMRIC/bLHq+/IVDGvRwJ6CQ==
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

2026-09-17T10:39:20.121891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062754
observed 849e7b465f6987d37d8ea3415de75d9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:20.102226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062754/manifest.json
observed 483942b982964f4d75877b879fcc96e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:20.084445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062754/publication.md
observed da667b4e0850a7ed56f9cbf90c2c62a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:20.065331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062754/publication.txt
observed c65ab02fe4aede1700297397fcc4c73d...
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.