OpenTechnical

OT-2026-000039780

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000039780) never changes.

Identity and time

Publication numberOT-2026-000039780 · never reused
Internal UUID01a0ae78-d8d5-79d1-9a29-228c03528961 · 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-2026-000039780
StatusPUBLIC

Content hashes

Canonical text48078a5d733d184147937387a517b421507bb9019ee15d9e1a5745875498f3fa
Markdownc9a2ee3bb34309050b99a4f55648870d71e2515ed6447e9d75a31110e46c68c2
PDF
Publication pagef0f663a4cb15585123105e4e1de9a48f656cddce467e4a3fcf16637c75783c8f
Manifest328fd62ad7d823c088b0a0a6966d9ff7f0d64aa22e4a58747da4319d7475d04f

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
Signaturenek5FetiUNnKsbv4TwNyjOQLxVk+xn+72v7x3tmo3FqFoYVNrK5MWGKIGuSQ3/YEvgzrW3uSqHSguIMGqa1zDw==
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

2026-09-17T11:20:00.267866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039780
observed f0f663a4cb15585123105e4e1de9a48f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:00.250193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039780/manifest.json
observed 328fd62ad7d823c088b0a0a6966d9ff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:00.230566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039780/publication.md
observed c9a2ee3bb34309050b99a4f55648870d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:00.214250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039780/publication.txt
observed 48078a5d733d184147937387a517b421...
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.