OpenTechnical

OT-2026-000013048

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000013048) never changes.

Identity and time

Publication numberOT-2026-000013048 · never reused
Internal UUID01a0ae6d-5564-7720-8155-f1a344c7efd0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013048
StatusPUBLIC

Content hashes

Canonical text582f222f873edf454f27dd7b82c3788d92664b983755660d3385a5e95929e64b
Markdown347b465a0053bde36ea83ee42222cb738e8e1f4a215db8388eb6c61abe5617e6
PDF
Publication page99960671a61928c2d88e36a720b4ae221bae83083ebfcb60e200a70480bff3e1
Manifest40ae3d499bb8b8ba28bd75594174d4438aeadad5ada930d2ae5e3004740e0ccf

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
SignatureQDvsDQoPI1FKrVsSKizmcvB4Y8w41UDoPdrvnsp1zxLEJlBcwQcpQ8ACuTziib0kgP8/HX0vgMyOaZY6HO7MCg==
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

2026-09-17T12:10:52.923341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013048
observed 99960671a61928c2d88e36a720b4ae22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:52.904004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013048/manifest.json
observed 40ae3d499bb8b8ba28bd75594174d443...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:52.883617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013048/publication.md
observed 347b465a0053bde36ea83ee42222cb73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:52.863964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013048/publication.txt
observed 582f222f873edf454f27dd7b82c3788d...
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.