OpenTechnical

OT-2026-000067847

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, 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-2026-000067847) never changes.

Identity and time

Publication numberOT-2026-000067847 · never reused
Internal UUID01a0ae8f-c4fb-790f-9a39-434f290630dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067847
StatusPUBLIC

Content hashes

Canonical textf386df8868633d542c25b89668ea499ca2a822a304be25fec79d55cdd1b7282f
Markdown55822e59de1c0984efad39f9ab3f31320c1393ce78dc985c95df4856a397bcc8
PDF
Publication page0e03ec257f24f6575506b7d5677907b9c507a0715ab019f36e67d08e4ecc0bf0
Manifest6032644a760bc5f3a0b2a8d862d56fba83d168cfed89c00ae5b3219e7d8fd566

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
Signature3yh5tKP+73bYTBvTcWPwbpXzBm+U6Ikll4pFO1B3ijjasWQ+afEAi0OuKPWTJI2OzdgVQLpXRmcdrKwIS/RPAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:06.299637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067847
observed 0e03ec257f24f6575506b7d5677907b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.267024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067847/manifest.json
observed 6032644a760bc5f3a0b2a8d862d56fba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.251905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067847/publication.md
observed 55822e59de1c0984efad39f9ab3f3132...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.233297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067847/publication.txt
observed f386df8868633d542c25b89668ea499c...
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.