OpenTechnical

OT-2026-000019961

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, 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-2026-000019961) never changes.

Identity and time

Publication numberOT-2026-000019961 · never reused
Internal UUID01a0ae6f-1fb7-79fa-9301-d1ba2f435763 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019961
StatusPUBLIC

Content hashes

Canonical text63091ac7b22eb2f43b612bb39206b4252ebaf74abdfd8da5664fd3a75402de5a
Markdown01996a8adb523ad4707ed433280e4be6d63e32219e01a9b65775eb87c2bf04fd
PDF
Publication pageec4afaffc13279024a13dc583a42c20add5d5efd705ed7850712839dce79809e
Manifestec4a8d8212f9c3e8652904f5b3eb5acf1410c7fec1490ca5308ae2e00713eb92

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
Signaturex46eF0GTUYi0Adl1ThBrdRWs3qwXr899rLw9rXxo+UT/D+/HcUQ3NOIr7gL9a+flAsOsHkS7bWks9R+8mGvYAQ==
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

2026-09-17T11:58:11.552616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019961
observed ec4afaffc13279024a13dc583a42c20a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:11.532510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019961/manifest.json
observed ec4a8d8212f9c3e8652904f5b3eb5acf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:11.510336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019961/publication.md
observed 01996a8adb523ad4707ed433280e4be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:11.487450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019961/publication.txt
observed 63091ac7b22eb2f43b612bb39206b425...
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.