OpenTechnical

OT-2026-000098930

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, 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-2026-000098930) never changes.

Identity and time

Publication numberOT-2026-000098930 · never reused
Internal UUID01a0aea2-8286-7edb-b17b-069fc4ec5fa0 · 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-2026-000098930
StatusPUBLIC

Content hashes

Canonical text887b66de2501516dbfc258ae5b262a120d69cf26c35bad6a8f2e63be72797d73
Markdown9060229e8e046474a3cee629caff0f8132c07fae7d6d0d67fcf7d710afb28e1e
PDF
Publication page18a2b9f56045a6f10effaee87b18a4c2a01238c4f8bcc3c823f3c52a658d071e
Manifestdf282cef80eb766e2913d5837cc84b66b930f70e278a42ae79bc51ca6cccbf5e

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
Signaturef5b1NiyYLMlR4KyryZuAg6XGAF3pp4i4SHNoatm93FdKbxCMDLkcGHGWM1FAStDWn8ftJv7FE8nnF9o2ChFYAw==
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

2026-09-17T09:29:59.662522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098930
observed 18a2b9f56045a6f10effaee87b18a4c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:59.645613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098930/manifest.json
observed df282cef80eb766e2913d5837cc84b66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:59.628461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098930/publication.md
observed 9060229e8e046474a3cee629caff0f81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:59.612658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098930/publication.txt
observed 887b66de2501516dbfc258ae5b262a12...
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.