OpenTechnical

OT-2026-000070919

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000070919) never changes.

Identity and time

Publication numberOT-2026-000070919 · never reused
Internal UUID01a0ae91-8c2d-7fe8-b867-6dec9e4323ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070919
StatusPUBLIC

Content hashes

Canonical text9ba6b9329fea03a7864a886dc67f776531c9158da993fc9e15b142fb018bb675
Markdowna9e33b1d20837d64e77f9b8c5b726d7a445567beb213f86073441821a5fe2061
PDF
Publication page7c04b30bbb2a7af69eec4e2ddb3cd44440190d5d1a8504e1980114d65683cf22
Manifestda8bf56e1eabbf0738de04726a214810098a14fbde1dcb8b25b603fcbd124762

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
Signatureq5b1orwCPMjUodjNjFBwYagJXwuu+JB3Ev6HRlt8/4l7KyawFZIyrfDWTQ5ByStTUPLDPZ1OPc1IKARogpcKBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:45.191019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070919
observed 7c04b30bbb2a7af69eec4e2ddb3cd444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:45.174601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070919/manifest.json
observed da8bf56e1eabbf0738de04726a214810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:45.160064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070919/publication.md
observed a9e33b1d20837d64e77f9b8c5b726d7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:45.142283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070919/publication.txt
observed 9ba6b9329fea03a7864a886dc67f7765...
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.