OpenTechnical

OT-2026-000039687

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000039687) never changes.

Identity and time

Publication numberOT-2026-000039687 · never reused
Internal UUID01a0ae78-d8d4-7aca-abcf-1f81a0b681c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039687
StatusPUBLIC

Content hashes

Canonical textf42a65510cc8ffc16040acc7dcc1cc303b3c6043f7e468ca6e57fe6e4cd281ff
Markdown78037a7463f9ac2f2341e49ca31bbacee0b2cd08863d36e43185778af836bb7d
PDF
Publication page1bb463fed47e0bfc1ef9aa01a5e48972721a8fdb875e6c819098791114040805
Manifest894e6838150a75ddf4274d5d677fda46929ce6e45697aa34618d4abfd404529a

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
SignatureUyavHpHdQfIwKO8JLTs+pJNMJk2UW8swmCRpTZvuPNt2ytFxA/3Rmf+emVC6Dl4tAXbFbaGXOR/xg8mm+kDDCw==
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

2026-09-17T11:19:52.738116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039687
observed 1bb463fed47e0bfc1ef9aa01a5e48972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:52.720964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039687/manifest.json
observed 894e6838150a75ddf4274d5d677fda46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:52.702200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039687/publication.md
observed 78037a7463f9ac2f2341e49ca31bbace...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:52.681749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039687/publication.txt
observed f42a65510cc8ffc16040acc7dcc1cc30...
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.