OpenTechnical

OT-2026-000043706

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, sustained blow-off after 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-2026-000043706) never changes.

Identity and time

Publication numberOT-2026-000043706 · never reused
Internal UUID01a0ae7b-92d1-7565-861b-7ee9be564570 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043706
StatusPUBLIC

Content hashes

Canonical textbe450c0e8e795021e6cb029ddfa2299371faee21470249c7c430cc375bacfe94
Markdown89759a52911a5853e2294b9dc17b190caee0aa6bf2ed75d5c7f7996aac19e1d2
PDF
Publication page892dd0dc3f898bb76f6f25dfdcea6a9118998b2acaad70ba0f93f824af64c3cc
Manifestb0860064526dc63aa14770797ecf093b87e74a0799230ef8a495d1c63ee9eac0

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
SignatureeIOmjpPlm3eKvv5c/m1Z5QQhfz1NzSNiy/JVB7o5IUr7pzSft9rE7luttiO/EujURQ8OD6XAWJfMOPozVRU7BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:12.219607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043706
observed 892dd0dc3f898bb76f6f25dfdcea6a91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:12.200231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043706/manifest.json
observed b0860064526dc63aa14770797ecf093b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:12.182125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043706/publication.md
observed 89759a52911a5853e2294b9dc17b190c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:12.165001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043706/publication.txt
observed be450c0e8e795021e6cb029ddfa22993...
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.