OpenTechnical

OT-2026-000060915

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000060915) never changes.

Identity and time

Publication numberOT-2026-000060915 · never reused
Internal UUID01a0ae8b-12f2-778d-b0ae-f4a89557b16f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060915
StatusPUBLIC

Content hashes

Canonical text4e4b24e19c02b2a89ba6ece0a0068b93fe2223fdc6c1b5ca71c94b663e650f20
Markdown1b00e651c3cd4838d7fca7063ae371cab72902280ab3965701052b7427914d48
PDF
Publication page44ef0b60e4cba648ac5184f7213af3f2c8039d50e0a0eab543d869a44eab03cb
Manifest45c5d8220351c319c496048b4c78b999b966d01f7b002bc93d76b270c2561dbd

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
SignatureU5NUrCYUHGAiQXwt4EL2CNfhDSHqArIGYpE6aX6LuX6kH2fuizX5JlgpyULEgQS2vYmciLGhSWkYF4kmkEqzAA==
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

2026-09-17T10:42:10.875107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060915
observed 44ef0b60e4cba648ac5184f7213af3f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:10.858772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060915/manifest.json
observed 45c5d8220351c319c496048b4c78b999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:10.842313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060915/publication.md
observed 1b00e651c3cd4838d7fca7063ae371ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:10.824506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060915/publication.txt
observed 4e4b24e19c02b2a89ba6ece0a0068b93...
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.