OpenTechnical

OT-2026-000026268

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000026268) never changes.

Identity and time

Publication numberOT-2026-000026268 · never reused
Internal UUID01a0ae71-f4a6-7f84-ad2c-c570a5d84d36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026268
StatusPUBLIC

Content hashes

Canonical text15fbbddc96305066a050117b8a8c5bcd76e5c92eeda8c8e53ad2e13ee9890733
Markdownc80daca7f67803898ed708db86d5138728f9c25082f707954a816eb71f82b3cd
PDF
Publication page4e62fdcc64ef307dbc0763e553f770bc7ff08d8b5ddb5eb24e549d725497bcda
Manifest92bc6d4c0b2ede8e52bae8e32d45712eaf0875412306cf036986e37da63bafa8

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
SignaturebSCod9JDfpieUiVgnaESHGjD3sowovJMox80Rhf9E6jVbmlHGprQR8eqxyfoiXDQvfC+cJ7B4NQQb7nFQz6XAA==
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

2026-09-17T11:44:12.812032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026268
observed 4e62fdcc64ef307dbc0763e553f770bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:12.796507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026268/manifest.json
observed 92bc6d4c0b2ede8e52bae8e32d45712e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:12.781539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026268/publication.md
observed c80daca7f67803898ed708db86d51387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:12.764570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026268/publication.txt
observed 15fbbddc96305066a050117b8a8c5bcd...
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.