OpenTechnical

OT-2026-000019772

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000019772) never changes.

Identity and time

Publication numberOT-2026-000019772 · never reused
Internal UUID01a0ae6f-1fb4-76ff-8b3d-30f749075991 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019772
StatusPUBLIC

Content hashes

Canonical textcdcabe5ec8efca6572d5edfb3ea37969052a69011207bfe319c98768fa50ed44
Markdownaea8d1b12f5a2a02d540605bcc5177cdf8580dcd95acb10ef20a990fdfe5a49a
PDF
Publication pagece71ad3e8f3b3f25d31d8f6dd9842ca90251a43d39c8c9499affb67315219d5d
Manifest176da088716b74feb094ff1a4266d929282a7b1782e7ea9967381571f40b6609

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
Signatureja7FUjlwKCqi84VIKtyBZ/JDPpBEhE1yHQJNsTTl6zKqvFaogtb83Z7tVCOg4pBVQCuqLtXURbOdrTPQXyaBAw==
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

2026-09-17T11:57:56.824503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019772
observed ce71ad3e8f3b3f25d31d8f6dd9842ca9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:56.803209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019772/manifest.json
observed 176da088716b74feb094ff1a4266d929...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:56.779311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019772/publication.md
observed aea8d1b12f5a2a02d540605bcc5177cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:56.760676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019772/publication.txt
observed cdcabe5ec8efca6572d5edfb3ea37969...
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.