OpenTechnical

OT-2026-000095132

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, 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-2026-000095132) never changes.

Identity and time

Publication numberOT-2026-000095132 · never reused
Internal UUID01a0ae9f-8f6e-7110-97d0-5692d9319569 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095132
StatusPUBLIC

Content hashes

Canonical text916dc294ba902a4ea4eebc7dacceab6431a328eb9511c3af521dd4f34a388e1d
Markdown13566ff2f8364688ea605125922c6dd87e8447d34ccc7dcabc064caf0e89fb3c
PDF
Publication page98b82e9bcaa52a772a92e36aed6de9bdd6bcf042b71f2b118a253d8d0b823809
Manifest35d8162a2752e85ee85a8fb9974d74bd8bae6f4ddcb5431e5c8f5d4dba3ce1ca

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
SignatureecJC4S8MSJxqK8Mo5RxxaswXvm+GoTj8j3RH7iBN6yGg2sWqQrn1dJ09gSOv2boemX2Bd02zxrQATFNz6iGVDQ==
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

2026-09-17T09:36:25.648445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095132
observed 98b82e9bcaa52a772a92e36aed6de9bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:25.629715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095132/manifest.json
observed 35d8162a2752e85ee85a8fb9974d74bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:25.611309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095132/publication.md
observed 13566ff2f8364688ea605125922c6dd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:25.592861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095132/publication.txt
observed 916dc294ba902a4ea4eebc7dacceab64...
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.