OpenTechnical

OT-2026-000019371

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, 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-2026-000019371) never changes.

Identity and time

Publication numberOT-2026-000019371 · never reused
Internal UUID01a0ae6e-f392-724c-a4b2-2d56a1e4062e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019371
StatusPUBLIC

Content hashes

Canonical text386c19424facb3a76fb47f9fa9d40e2e895a2211fa58120de0f1125232c50850
Markdown7dd515c9f4c657f8c0b31a3909462ff024e2558616386b12a584135f57082304
PDF
Publication pagecd039099641e288d3751923c03a835968eae177bddaeb08bbe30a1daff1612cd
Manifesta8c16b5235938015edc574eb74200917dfe2eb0cfdc2bf24f6323e245de8579a

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
SignaturegV3wurY0IjlTN93UKEqGtQKLgoyFul8jQRT9rhPY71Q4gMLyQu0xn2fjhAfpYsx3BXmW/8/Rrf2r6jiBnwywCA==
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

2026-09-17T11:58:44.355287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019371
observed cd039099641e288d3751923c03a83596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:44.337347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019371/manifest.json
observed a8c16b5235938015edc574eb74200917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:44.318889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019371/publication.md
observed 7dd515c9f4c657f8c0b31a3909462ff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:44.301801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019371/publication.txt
observed 386c19424facb3a76fb47f9fa9d40e2e...
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.