OpenTechnical

OT-2026-000052398

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000052398) never changes.

Identity and time

Publication numberOT-2026-000052398 · never reused
Internal UUID01a0ae83-e792-76bb-9ff2-a72655aa708a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052398
StatusPUBLIC

Content hashes

Canonical texta455813b0a6ce614dead1115a9aef4258f7d066acc60162f1ddd30e5a6447a56
Markdownd7d5ada462f9b9c9f4268e47bd1a51aed3f5b2575f8b886f783ff91b6bafd087
PDF
Publication page935c8e2fa9a00f134fe83a24973fabfc5ac7b66d4c8e3a0ee72f0a51d0382e3d
Manifestfe7d02a59d95fd6616faa6d58ab1ff1031941f31013d1729e13065f8c57d3ed0

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
SignatureWOGVofjUYjhjDNgox1JuYXq8DaoBqxXGKobYam++B5h3NgLgN5lYHjEaIUByVCvuWbM9830m1UZlHned/flABA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:06.357044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052398
observed 935c8e2fa9a00f134fe83a24973fabfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:06.339716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052398/manifest.json
observed fe7d02a59d95fd6616faa6d58ab1ff10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:06.322639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052398/publication.md
observed d7d5ada462f9b9c9f4268e47bd1a51ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:06.306220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052398/publication.txt
observed a455813b0a6ce614dead1115a9aef425...
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.