OpenTechnical

OT-2026-000099261

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000099261) never changes.

Identity and time

Publication numberOT-2026-000099261 · never reused
Internal UUID01a0aea2-8289-7934-ac1f-c2ba91e98a2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099261
StatusPUBLIC

Content hashes

Canonical textcfaeec43ccca0b339586505aeeb39fc2c96dbd8a8270d1ac95904c2a70d0c7e4
Markdown8a0e214f09263cb5b329fc9b901bc7028658b4479a86113fd901ba5aae209825
PDF
Publication pagea239813d8a481fb70e3bd1c2cec8d0cd1ee35dfd462a6526cf6f85df9c24781b
Manifest6db4ea9f17ef115268721f60289f4148f9d91d29ac03ce21c63451643866e024

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
SignatureaPsq6ewcscF0D5vBGL1h4Cm8UqlPknlPMBdp9jtHIZUp3f//JsVlUDjbFK6ewwU2KT5SeXyCDb1SlgaEYYmVCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:42.426522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099261
observed a239813d8a481fb70e3bd1c2cec8d0cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:42.408310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099261/manifest.json
observed 6db4ea9f17ef115268721f60289f4148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:42.388148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099261/publication.md
observed 8a0e214f09263cb5b329fc9b901bc702...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:42.367673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099261/publication.txt
observed cfaeec43ccca0b339586505aeeb39fc2...
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.