OpenTechnical

OT-2026-000031703

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, 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-2026-000031703) never changes.

Identity and time

Publication numberOT-2026-000031703 · never reused
Internal UUID01a0ae74-bad0-7462-86a9-61f76cac766c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031703
StatusPUBLIC

Content hashes

Canonical text20e53baeb940ef6a93aa2d382868791551aca575ac01bf036d3ba7cf726618f6
Markdowne9faf74caf09abbe7b2e5d7cdf97dcdaf26035324ae075be1954b4f237033782
PDF
Publication page5fc5df440365791cf54aa70d9b043124a4af05e2df2fc77a70258c357459a546
Manifeste813b9575fb99f54978507da3f446f55a269f78a8d1ce212b9e16c86555661c0

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
Signature9yYKGdtKMLXSCCRDqvtz2ALoahTF8qGC8erFsdYdKHiVxUNhtlRIovH7HwBQcCC39T5rM78apbbnAmQbe0FDBg==
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

2026-09-17T11:34:48.642261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031703
observed 5fc5df440365791cf54aa70d9b043124...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:48.624770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031703/manifest.json
observed e813b9575fb99f54978507da3f446f55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:48.604489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031703/publication.md
observed e9faf74caf09abbe7b2e5d7cdf97dcda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:48.586297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031703/publication.txt
observed 20e53baeb940ef6a93aa2d3828687915...
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.