OpenTechnical

OT-2026-000023532

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000023532) never changes.

Identity and time

Publication numberOT-2026-000023532 · never reused
Internal UUID01a0ae70-7269-70ab-9a26-5421722db02b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023532
StatusPUBLIC

Content hashes

Canonical text1cc50e2df528b6de3ac11942436ad9d393da126de285b4c83b42e82a166bc324
Markdownc0be9c3bc2d3bf91990e1ed260a822ddde9a99aebc09dbf86b3c477819d12dc8
PDF
Publication pageac7b8c12a560fb29f5aa735a9ccd34a69672341d0e0ac77d123d5efcf56499aa
Manifestf4d2207e9e9a4f6efc792b4f693451e70f5fb46ba6a7965f0cc2dfbadda95404

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
SignaturektTDIu6UaAt05r/RvyBQZGDRJcI93Rc7RHYl3iq1nJjEQANeY9vbyKcq1FpYWtBHzLBs17WPfWBZcGAD3eKUAA==
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

2026-09-17T11:51:46.634887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023532
observed ac7b8c12a560fb29f5aa735a9ccd34a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:46.616138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023532/manifest.json
observed f4d2207e9e9a4f6efc792b4f693451e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:46.597590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023532/publication.md
observed c0be9c3bc2d3bf91990e1ed260a822dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:46.576880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023532/publication.txt
observed 1cc50e2df528b6de3ac11942436ad9d3...
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.