OpenTechnical

OT-2026-000057672

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000057672) never changes.

Identity and time

Publication numberOT-2026-000057672 · never reused
Internal UUID01a0ae88-2694-7a7a-991b-3398f7946576 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057672
StatusPUBLIC

Content hashes

Canonical text99ac2a7e5cb47d119d65ab4dcf748e47dcde59c5d76f2d90a9e7a42432c8aeba
Markdown1eb900d094d105a9767d126296b508c2485db09bc1670ccb232a0b170b692259
PDF
Publication paged4c5c1c9ed1efe12f957b67943a678ad609c82c2947004f81ccacbb8278575bc
Manifest76bfc3995c906522c5476f254fb9d6bed5109f60fe0af5b590547104ebc11224

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
Signature6iJtqIfNp5Cbh6pOhtR3PYyw3TIPleim+HNsan7Vedc1OBljhhpFXkYa8+W15vQl63JYqbHauRZ1gTBt2DkgCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:19.634716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057672
observed d4c5c1c9ed1efe12f957b67943a678ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:19.614952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057672/manifest.json
observed 76bfc3995c906522c5476f254fb9d6be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:19.593865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057672/publication.md
observed 1eb900d094d105a9767d126296b508c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:19.572889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057672/publication.txt
observed 99ac2a7e5cb47d119d65ab4dcf748e47...
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.