OpenTechnical

OT-2026-000045079

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000045079) never changes.

Identity and time

Publication numberOT-2026-000045079 · never reused
Internal UUID01a0ae7c-f768-791b-9a1a-cb8751f27a3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045079
StatusPUBLIC

Content hashes

Canonical text1d933870450f384c1c0d6b19212c40eb5602470e2b1bd680d2865cd52147ea3b
Markdown86a4d0e7627925d59e5f9fd3cdb33f740f4a178662cc4016e375525baeac6812
PDF
Publication pagee0ca8a73864f6e305fea82c642ead56efce6594b72ad32067bd7a43b9751c0a8
Manifest0cd7160624f1f96504a72614c54deb1ca3256249843cfb095fc1e071129dd6aa

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
Signatureomxf532f6AIUsmuozp02UrdwcQEIjekL+EsjYtOOzujQhhl7HSefGcGR1My0QiGmTrYahUj/vxTcTuTDnQHjCQ==
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

2026-09-17T11:10:07.000170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045079
observed e0ca8a73864f6e305fea82c642ead56e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:06.979628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045079/manifest.json
observed 0cd7160624f1f96504a72614c54deb1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:06.960166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045079/publication.md
observed 86a4d0e7627925d59e5f9fd3cdb33f74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:06.940672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045079/publication.txt
observed 1d933870450f384c1c0d6b19212c40eb...
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.