OpenTechnical

OT-2026-000046029

Publication integrity record

Single cup vacuum gripper, pump fed, 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-2026-000046029) never changes.

Identity and time

Publication numberOT-2026-000046029 · never reused
Internal UUID01a0ae7e-0329-7c15-873c-24de6705b831 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046029
StatusPUBLIC

Content hashes

Canonical text232a2818bebb234001a6f2ad770ffe4875ca6908b6810a4e7b6e0b52b0fbfc34
Markdownf00e35e180fc9cac97205dfe910596ec1f7b54dbd6fbac6f4e44e1e78184058d
PDF
Publication pagee7a375004ec0f5304d904843374e200c3327ba6bfb29878a198a9991ae47b533
Manifest2d533b840918502c06f659f15bde187801ae29c8fc205ffed17fc73a165f2927

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
SignatureNwKXFLo3mVMdYdJzSWZV7+py/WhEpudfaJtkJc3x8Z2nKnnMknjBPjwN4jGnMcwIs/sZDVUYIqXdyXXYyA+gDw==
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

2026-09-17T11:08:58.691609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046029
observed e7a375004ec0f5304d904843374e200c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:58.673872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046029/manifest.json
observed 2d533b840918502c06f659f15bde1878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:58.655896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046029/publication.md
observed f00e35e180fc9cac97205dfe910596ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:58.636595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046029/publication.txt
observed 232a2818bebb234001a6f2ad770ffe48...
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.