OpenTechnical

OT-2026-000023432

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, 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-2026-000023432) never changes.

Identity and time

Publication numberOT-2026-000023432 · never reused
Internal UUID01a0ae70-7268-73ff-bc51-234b9e62fa9e · 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-2026-000023432
StatusPUBLIC

Content hashes

Canonical textbdcfcff14ebf3bc3ab1e8d42085bc4087aa54f37ffb97ce46d2cff1cb22e9e6f
Markdownfb1fadd9eed49901f3b3d3ad3bffaf6397809000ea3d6954cfee155fce228306
PDF
Publication page93f56e2a0a3b1dc1affae90f7237fbed7a4303d1854eaf42c250b4d6f579eecc
Manifest69a15fca998d7da8cd163c82f0ee24d417b25212ef72618e1af9c38936756ab4

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
SignatureYxUW0QGkCkY5Eh+xTpXI68JKPryN7tLwdD78w6TzlN+kV5iQSF3E9TafKAupmuFV5qX50zib0A1SDeSRvTjIBw==
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

2026-09-17T11:51:38.712176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023432
observed 93f56e2a0a3b1dc1affae90f7237fbed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:38.695409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023432/manifest.json
observed 69a15fca998d7da8cd163c82f0ee24d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:38.677567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023432/publication.md
observed fb1fadd9eed49901f3b3d3ad3bffaf63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:38.659518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023432/publication.txt
observed bdcfcff14ebf3bc3ab1e8d42085bc408...
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.