OpenTechnical

OT-2026-000026463

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pulsed 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-2026-000026463) never changes.

Identity and time

Publication numberOT-2026-000026463 · never reused
Internal UUID01a0ae71-f4a8-76f2-802d-007e3c03bac1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026463
StatusPUBLIC

Content hashes

Canonical text47650fcafe621194507592945388d29312762260cad7c0eb01241229d33b342a
Markdownfab81a089a5de0d00a418252bfb13832dbae205a752bb93cd8ddea6921f42350
PDF
Publication page592801792e47c851ad845a3ff6287bc806ad5166a3928828b20dd161d71ae81b
Manifest9847ddb874f42257eeb18e6f2248685c3d9dcf14b4c44b847a865f5b7b33de66

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
Signaturel/Y2MCeMu7enD5fae11lsk4a17NKxU7c5ucXq+d9B8FtVstEQcy8nUeV/tHjnfthqluENxx2iRVP8uXlM3pgDg==
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

2026-09-17T11:44:27.911109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026463
observed 592801792e47c851ad845a3ff6287bc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:27.893296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026463/manifest.json
observed 9847ddb874f42257eeb18e6f2248685c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:27.875091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026463/publication.md
observed fab81a089a5de0d00a418252bfb13832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:27.856561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026463/publication.txt
observed 47650fcafe621194507592945388d293...
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.