OpenTechnical

OT-2026-000019000

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold 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-2026-000019000) never changes.

Identity and time

Publication numberOT-2026-000019000 · never reused
Internal UUID01a0ae6e-d523-7628-b42d-4075eb538dcd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019000
StatusPUBLIC

Content hashes

Canonical textd636c25451d8f293eeeaa5767e24131b36256157ac15a694ecaca6b2b2af4009
Markdown0bb042f463f144c40aac089ecc7c8bb2dc575a147fdb398ec11ef8d6a0397251
PDF
Publication page8c36228a9adcf52a1df63547fac7d22c85580e6f790240b08d7ab3c67c9db15f
Manifestd08b70dafff9b7a3a2e5169a1a010fae7cbcd481459fb0a9676a6b6908357d46

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
SignatureKR5MfQSzsVGT+570aQqUipFDDYm8WF1GvQVwg2BY58PnIF2mdMA4Q+aBaKn62oH1YTBoT5VX0NIlZxCIExczDQ==
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

2026-09-17T11:59:04.102787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019000
observed 8c36228a9adcf52a1df63547fac7d22c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:04.071097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019000/manifest.json
observed d08b70dafff9b7a3a2e5169a1a010fae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:04.051877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019000/publication.md
observed 0bb042f463f144c40aac089ecc7c8bb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:04.022930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019000/publication.txt
observed d636c25451d8f293eeeaa5767e24131b...
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.