OpenTechnical

OT-2026-000048859

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000048859) never changes.

Identity and time

Publication numberOT-2026-000048859 · never reused
Internal UUID01a0ae81-134a-7eab-ab44-18736f874ffa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048859
StatusPUBLIC

Content hashes

Canonical text0d3122e143341f695324f1e888fb40b3642b49e635ab4008538a16abb16c6411
Markdown7a0a25b5eb68c26157f407250c1f3646adeeec9443a297c35084a9d3d2d4f8db
PDF
Publication pagee6d5cf4ecbbab27334a86c30710d3cfbd1bd4a166eae83e6372f6cf850e0f408
Manifest22f9b41b6508bb30f2b5a183612f916865872300ad5c979df83b6d8b6150e643

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
SignaturepCGH1DICoq0Ouf8207JAwgFrCVC8CI8EhkLPO6K7WWD/vG9sU+axjNj0eyPhxNQ8nU4DIW2LJZmORzdq6e4aAw==
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

2026-09-17T11:03:00.497551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048859
observed e6d5cf4ecbbab27334a86c30710d3cfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:00.477149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048859/manifest.json
observed 22f9b41b6508bb30f2b5a183612f9168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:00.458437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048859/publication.md
observed 7a0a25b5eb68c26157f407250c1f3646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:00.437183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048859/publication.txt
observed 0d3122e143341f695324f1e888fb40b3...
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.