OpenTechnical

OT-2026-000043703

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000043703) never changes.

Identity and time

Publication numberOT-2026-000043703 · never reused
Internal UUID01a0ae7b-92d1-7cb9-bca6-b87867a2a7a0 · 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-2026-000043703
StatusPUBLIC

Content hashes

Canonical text94f9f637c4bb918658b28c7844918a83f7e04595eff059a2b0aa9cadc1d6ec36
Markdown5d62ecc48c7f8dbeb33362bd1bf5aacb3388f0707b3b6d769377edeebf77a60b
PDF
Publication page641cbae6e6bcf163df8bc5ca3f9d0ad2fce2939b13d55f198387f15b01c60653
Manifest14ca0c99ce64f750bb6fccfe1a055168c288dc149ec6c611c017e8ece882b573

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
SignatureO6WVBqTAuzkXp9JEZz7avime/Oi2rvuLfRxEp+frUBflRwybUUuSRAzKn+yYAL8RXhs4iqC/7qKOzJuu/vuuCg==
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

2026-09-17T11:13:12.001359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043703
observed 641cbae6e6bcf163df8bc5ca3f9d0ad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:11.983359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043703/manifest.json
observed 14ca0c99ce64f750bb6fccfe1a055168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:11.964947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043703/publication.md
observed 5d62ecc48c7f8dbeb33362bd1bf5aacb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:11.947263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043703/publication.txt
observed 94f9f637c4bb918658b28c7844918a83...
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.