OpenTechnical

OT-2026-000012690

Publication integrity record

Four pad foam vacuum gripper, four 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-2026-000012690) never changes.

Identity and time

Publication numberOT-2026-000012690 · never reused
Internal UUID01a0ae6d-5562-728b-a574-fe2726581a21 · 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-2026-000012690
StatusPUBLIC

Content hashes

Canonical text9016284372dca86f6873ce8aed6fb0ac383d9840c6de6bc56c04ae886b7a172a
Markdown83cfccc149aaed0065a935730a6e6b73295db70e8a39f976685474ef148418c8
PDF
Publication page994093440ec7e61e6a90606975c654dbd09121b95b4a8f92f4d0e857d51e75bd
Manifest3e57a8ee0e4414f105e72406d722d97094d30457ee06e2eefbe9279a0dc4a118

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
SignatureeT/p2Ifhp976vZ6QdQV+db4OGzdIf32KWWwKg0/DaUKVYYJEom+sA5yLy6m/X0pwthiC3eK5wGRkNtaht6exBw==
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

2026-09-17T12:10:20.468214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012690
observed 994093440ec7e61e6a90606975c654db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:20.450284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012690/manifest.json
observed 3e57a8ee0e4414f105e72406d722d970...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:20.429580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012690/publication.md
observed 83cfccc149aaed0065a935730a6e6b73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:20.410880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012690/publication.txt
observed 9016284372dca86f6873ce8aed6fb0ac...
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.