OpenTechnical

OT-2026-000099005

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump 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-2026-000099005) never changes.

Identity and time

Publication numberOT-2026-000099005 · never reused
Internal UUID01a0aea2-8287-759f-9241-6f882e41efb9 · 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-2026-000099005
StatusPUBLIC

Content hashes

Canonical text15c3184a51ea4d5d3b56adddb2318fbf0ae46386845196f768f50cb4912d2b24
Markdown9287755fd642953b5887f4cacfb91bbdfcd20a1ecf2c4eb8c9e92859b17a8483
PDF
Publication pagec34b9f1bac306148e7c441bc9c0edc86913cf8ace8591bd48de3250335d8e98b
Manifeste80c2084f924791ba8825e531e984799587e3aed2980664bd44f0424106830fc

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
SignatureWQ/J9D6aFIPnIfT7waja0VOVI57xjaEdEt3fq5TJTnhKBEuqvIPaUDDH3dR7G7o0gzQRFlmhmwjo/ttcAgFDCw==
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

2026-09-17T09:30:05.435824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099005
observed c34b9f1bac306148e7c441bc9c0edc86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.419493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099005/manifest.json
observed e80c2084f924791ba8825e531e984799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.402092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099005/publication.md
observed 9287755fd642953b5887f4cacfb91bbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.383972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099005/publication.txt
observed 15c3184a51ea4d5d3b56adddb2318fbf...
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.