OpenTechnical

OT-2026-000044829

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044829) never changes.

Identity and time

Publication numberOT-2026-000044829 · never reused
Internal UUID01a0ae7c-911b-74de-98ea-c6fad7e74137 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044829
StatusPUBLIC

Content hashes

Canonical textfd6cd8974c71d0c43cdc7910e4e0300e05a52f777d8ab443b4f810c9a0550eaa
Markdown8fd70d190cd553d4a769bb924a7014bcec86a44c83a80b414016516efb68ac76
PDF
Publication page7d42b55809e11b08e76ca1e4ec75bb77ac7eda1340248844c5c162f4a75347ec
Manifest348427ee34381021dc1f0ff5854a52233e489e0f8be41cd320941797c6e596c3

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
SignatureuDPW7j6GUwTBhzJljuQiN/PSw6NDLX8wwIln9N3wus2VSKAbZWeBPG+HqFa3sE7EURmfcYsgXTCj+JEgjUIsBQ==
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

2026-09-17T11:11:28.073400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044829
observed 7d42b55809e11b08e76ca1e4ec75bb77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:28.055469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044829/manifest.json
observed 348427ee34381021dc1f0ff5854a5223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:28.036389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044829/publication.md
observed 8fd70d190cd553d4a769bb924a7014bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:28.017930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044829/publication.txt
observed fd6cd8974c71d0c43cdc7910e4e0300e...
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.