OpenTechnical

OT-2026-000017972

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump 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-2026-000017972) never changes.

Identity and time

Publication numberOT-2026-000017972 · never reused
Internal UUID01a0ae6e-96fc-7175-9b8d-812917400955 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017972
StatusPUBLIC

Content hashes

Canonical textb73dc75a4e7e1cef40c071f099e4ab7f9a4469a5008d175aca53226cb2e73925
Markdown43cce2980154e53aedd2ac8f133585510af2f4f177439c25ea19ef7c8c6bc399
PDF
Publication page5e128bcd928ebe9f3df7cb1f7bd4a849deaa0ca9cde84e197ccc9fdb70be5356
Manifest17a6c12b4b9d298e7403600c8accce79a5b92dd504509668ef4d44d894363875

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
Signaturei4apIBASH4x04z91Xbh0ETS5Y1pETYq0H4eUyxoZReCFQttkzIOWbYmYXi2s00WCVHV2VaHmbq37ngKYHaECDw==
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

2026-09-17T12:01:59.227265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017972
observed 5e128bcd928ebe9f3df7cb1f7bd4a849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:59.208186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017972/manifest.json
observed 17a6c12b4b9d298e7403600c8accce79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:59.189492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017972/publication.md
observed 43cce2980154e53aedd2ac8f13358551...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:59.169195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017972/publication.txt
observed b73dc75a4e7e1cef40c071f099e4ab7f...
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.