OpenTechnical

OT-2026-000047459

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000047459) never changes.

Identity and time

Publication numberOT-2026-000047459 · never reused
Internal UUID01a0ae7f-3e58-7ee4-9e64-d17b5251ec04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047459
StatusPUBLIC

Content hashes

Canonical textc6264dee0949150498e65d814a6f1e7a865543ec5680a5e35f409468fe4f0957
Markdown5632f3e310d7295e31513ab9d5db493cec7b8a7420a868201e315874878f191f
PDF
Publication page8a2cccda5443361d93a6d3f869217bc72146e09d0d5a4001eedfe4904bc49318
Manifest4e8dfaf3a1e9f7b681b4ce2283e24f0a6a35fbb33696df32bd1a4cc4fd63d537

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
SignatureHYqrZcbP39vrQxpeY9luPjO882irNxHaZAoAbBAM/dVwPjflI5qQOFQ2DINyCyQAZptzizIKrT7Ftjq0oEHhDA==
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

2026-09-17T11:06:29.485231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047459
observed 8a2cccda5443361d93a6d3f869217bc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:29.466475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047459/manifest.json
observed 4e8dfaf3a1e9f7b681b4ce2283e24f0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:29.446991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047459/publication.md
observed 5632f3e310d7295e31513ab9d5db493c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:29.427021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047459/publication.txt
observed c6264dee0949150498e65d814a6f1e7a...
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.