OpenTechnical

OT-2026-000098980

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000098980) never changes.

Identity and time

Publication numberOT-2026-000098980 · never reused
Internal UUID01a0aea2-8287-7ca4-bdc8-02f596a258aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098980
StatusPUBLIC

Content hashes

Canonical textd32b812e42199bfd8cfc3ddd81ee2ee6c07050220672b92f7e4f6a9161e255bf
Markdownf450c5c54b8726b08d46190607f29ae0edae7ebb8662bd03e5c2cf5dae566e5c
PDF
Publication paged2187e396cb2f449ce661224a46cddaf339d763429b36af00e7a8fecf9d800b9
Manifest3cdf75fbdca1b94e8521f9ff681f46e9076b8fd649364071c98ddbe577fb16d8

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
SignatureRgG0KTGwkTygsmvuO+MW/PuftUyXosfzZ6ryDnHLgnnK/6p6OjKLgVrH0wdLAYplZu0rhuDzEmLbZ29/UDWEAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:03.643146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098980
observed d2187e396cb2f449ce661224a46cddaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.626824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098980/manifest.json
observed 3cdf75fbdca1b94e8521f9ff681f46e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.612064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098980/publication.md
observed f450c5c54b8726b08d46190607f29ae0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.595692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098980/publication.txt
observed d32b812e42199bfd8cfc3ddd81ee2ee6...
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.