OpenTechnical

OT-2026-000037193

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000037193) never changes.

Identity and time

Publication numberOT-2026-000037193 · never reused
Internal UUID01a0ae77-7741-793c-8285-009640d19fa6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037193
StatusPUBLIC

Content hashes

Canonical text56a4341f9a3f6cdbf15aa249d690860f07730283b0ca6399873f20ee0fb68abd
Markdown51bd83ce4dc085f61d150ed24c9ddc393740d9d5b5920ddce66a9e398604741a
PDF
Publication pagecb23e6a32a6e445b3caf929aa3acccae8abc2e233ea34eb3ec2e4f0d14b38c07
Manifest663f9f7bba840c3028838c4b2dc7e3eb50f31aa2452cb24a311ba1a2250e81a5

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
SignatureckRrRwnjPnIdK9iDj5qHbbur6QLNBggg7Xwio1j1rk6SLeXMv5iyl+DtAfhJmpKt+9pr4l4KopljQeL4uNeHAw==
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

2026-09-17T11:25:04.688745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037193
observed cb23e6a32a6e445b3caf929aa3acccae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:04.672662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037193/manifest.json
observed 663f9f7bba840c3028838c4b2dc7e3eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:04.656550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037193/publication.md
observed 51bd83ce4dc085f61d150ed24c9ddc39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:04.640619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037193/publication.txt
observed 56a4341f9a3f6cdbf15aa249d690860f...
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.