OpenTechnical

OT-2026-000063144

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000063144) never changes.

Identity and time

Publication numberOT-2026-000063144 · never reused
Internal UUID01a0ae8c-94aa-7284-afb2-a90b92ad90bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063144
StatusPUBLIC

Content hashes

Canonical textf8543960f452dca8a640e4b6bdb8fc75311f074779259d832d851dab685ac41f
Markdown5fc904015c966d807aef0e65b0010b5df5fe0af0a0540cab1481a89e32d635c3
PDF
Publication pagef9c0edc940e6fde755626b34618e443ca303f67da38f8a99a1ffa1af9d12004f
Manifestcc691d1f307f90402db92f3d3cc379eefe0491834b8ba17208d2c1d32ecfe67b

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
SignatureVv5OZcImNZ+H424lK8RpPKzN3GdS1rI2S3lVcUb5BuxHkjoROP6o9hWNdMAJBIapByK8b+PUwMAiXeyixkoSBA==
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

2026-09-17T10:38:55.739431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063144
observed f9c0edc940e6fde755626b34618e443c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:55.723146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063144/manifest.json
observed cc691d1f307f90402db92f3d3cc379ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:55.704159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063144/publication.md
observed 5fc904015c966d807aef0e65b0010b5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:55.685363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063144/publication.txt
observed f8543960f452dca8a640e4b6bdb8fc75...
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.