OpenTechnical

OT-2026-000018587

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000018587) never changes.

Identity and time

Publication numberOT-2026-000018587 · never reused
Internal UUID01a0ae6e-b48b-7610-8490-9a3740af7807 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018587
StatusPUBLIC

Content hashes

Canonical text094662fda7b2d31209214508c1d332646cfc8e3907cb8807cc56f8180acd7f45
Markdownb742cd6e5d45cf9dc4d39a0f6df7309543f6fec6fc7e7b785cc6c234d2b6bde0
PDF
Publication page43931d0617c72f81fc8d641bd69222ec3cecee41ed9fe9ab960a4211844ccd83
Manifest26028c3cbe352eb1bf61b5f33bec194239e9e4dd3eb5f49825c15ce9807eda0f

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
Signature+FPZh/EOg3+/SJiSsFB+biQveCwYIdrT1N/0O2YmEO8EP36iqycAhXTKCfG1Z8IU2erqVQvNLyOfxuBY6w8/DQ==
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

2026-09-17T12:01:23.476418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018587
observed 43931d0617c72f81fc8d641bd69222ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:23.460205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018587/manifest.json
observed 26028c3cbe352eb1bf61b5f33bec1942...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:23.445260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018587/publication.md
observed b742cd6e5d45cf9dc4d39a0f6df73095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:23.428932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018587/publication.txt
observed 094662fda7b2d31209214508c1d33264...
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.