OpenTechnical

OT-2026-000007525

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000007525) never changes.

Identity and time

Publication numberOT-2026-000007525 · never reused
Internal UUID01a0ae62-4df5-7f37-95c6-0a4bef0348e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007525
StatusPUBLIC

Content hashes

Canonical textf89e69012c6813892797f89b9dfb723ca5d70f19b8056a7d40668b8dd28970ad
Markdown94e98bf553ef7e0053edd14cb71f34778723c509027beb93cbd43c79c8c878d2
PDF
Publication pageaf04e4af7e0646a5dd2244141983e080aa7f711bf05972e8f000a195e090a250
Manifest22c1a91c340140b54f81001115a348bfc797f0ce38a0ccfef5b1c677f73c1d3a

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
SignaturevUiZAOVJYMq90ni+ak1xX1LtY1sg6WQbfHNbA7A9XgULTSKRvIMExo1cOz5FkkrlENxrw90klL13GAGETIcNAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:21.986530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007525
observed af04e4af7e0646a5dd2244141983e080...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:21.968993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007525/manifest.json
observed 22c1a91c340140b54f81001115a348bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:21.949580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007525/publication.md
observed 94e98bf553ef7e0053edd14cb71f3477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:21.931718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007525/publication.txt
observed f89e69012c6813892797f89b9dfb723c...
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.