OpenTechnical

OT-2026-000055940

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000055940) never changes.

Identity and time

Publication numberOT-2026-000055940 · never reused
Internal UUID01a0ae87-0a4a-7185-988a-61e55efe985e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055940
StatusPUBLIC

Content hashes

Canonical text72f252c27d8ecf3050ce295f0a33f6e7348c800483a4d827be3d5cea2fc92339
Markdownfffc8f671569118f8695cec49723fe7999de367330dcf117e626ce0af3c414f1
PDF
Publication pageb7c8d8afbf37d8414cbf4b1efc079cbabb53e3cf917bb072736a5f6ebb5742aa
Manifest2156e1e0af531334ab2c005676f499970ab0d55821387980560d0e164e329a3a

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
Signaturep8bsKDgcMTp5dt+cTG8iHqNo7dwAJDHFuhTWyjVZyHIahGuZvtggBuOgyAimA1aTZWAp4q0KberpO7nQBAq0Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:25.128032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055940
observed b7c8d8afbf37d8414cbf4b1efc079cba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:25.090048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055940/manifest.json
observed 2156e1e0af531334ab2c005676f49997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:25.070186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055940/publication.md
observed fffc8f671569118f8695cec49723fe79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:25.032238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055940/publication.txt
observed 72f252c27d8ecf3050ce295f0a33f6e7...
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.