OpenTechnical

OT-2026-000010819

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000010819) never changes.

Identity and time

Publication numberOT-2026-000010819 · never reused
Internal UUID01a0ae6c-540c-7b9a-9982-7c2df60c20c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010819
StatusPUBLIC

Content hashes

Canonical text4adb773c3c9e345bc939ff1427be469bba0babbab1eb12bcf64e6546756914f1
Markdownc7e37bdb7ab6eb2b9d3e75c1930e17530442986aba82df69e72878ec7cf80273
PDF
Publication pagece7b488096dcb586b472ca2716ba1dac80edec54c67ad728dbe456fb558c0f21
Manifest10ec0d7c6ddf245a839a733e2d94ac9d7769342cf6a0c3f3cccc6a321b06830b

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
SignatureFnBXeKqFJeke2HheniUFgzPkGW6UTfsa3Cg7DQX/6Q4g/SJ95uk/o6mU2Rz62scY5iiVCAvD/JLQPIBmMQSRCg==
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

2026-09-17T12:13:33.230767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010819
observed ce7b488096dcb586b472ca2716ba1dac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:33.211476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010819/manifest.json
observed 10ec0d7c6ddf245a839a733e2d94ac9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:33.190559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010819/publication.md
observed c7e37bdb7ab6eb2b9d3e75c1930e1753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:33.170997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010819/publication.txt
observed 4adb773c3c9e345bc939ff1427be469b...
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.