OpenTechnical

OT-2026-000099457

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000099457) never changes.

Identity and time

Publication numberOT-2026-000099457 · never reused
Internal UUID01a0aea2-c974-71ed-b1c9-82d2648d1e95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099457
StatusPUBLIC

Content hashes

Canonical text3b55cddcaada2fe4025aafe86e117f663d4f9f78370786a35c5a9aa6aa9c8fe0
Markdown5fe48c51fad795e12bbbc5aecb64da49c0ed045611778ac8184f3b7f2bd7f923
PDF
Publication paged9f7fa4ab8f651d72bd9713e4d0dfc00340b61f9ed065c0a5fcc1df02b924184
Manifest478010a003fcc6af2e73bbc04423d44eade0849fd6eab1b05e628a1e538f842d

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
SignatureL50C/G4tF5IYgrsmF8tTLNmnUkCqWscw4eK3dfNVZMBac/YJdf6VX6hprywORKzzkyJn87xIUGXnzZ+UWY58Cw==
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

2026-09-17T09:29:14.297028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099457
observed d9f7fa4ab8f651d72bd9713e4d0dfc00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:14.279553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099457/manifest.json
observed 478010a003fcc6af2e73bbc04423d44e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:14.260846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099457/publication.md
observed 5fe48c51fad795e12bbbc5aecb64da49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:14.244074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099457/publication.txt
observed 3b55cddcaada2fe4025aafe86e117f66...
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.