OpenTechnical

OT-2026-000069180

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000069180) never changes.

Identity and time

Publication numberOT-2026-000069180 · never reused
Internal UUID01a0ae90-6dcf-77a9-bdc4-0d15cf5f53ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069180
StatusPUBLIC

Content hashes

Canonical textada0f7ccda964fbcc222e6a4ac52b81edec24e29716f638deba4a3894ef3fa20
Markdown86b0e909b86deb924e6f24db76b10245ff726af2c3d13b616a686775d4c35558
PDF
Publication pageda79ed1c88663daba1e06a9fdb56263484f3526b4aae4521cd2153eac416ab3e
Manifest4fe201c747eede2e445d04f633cf60f7739306c93fa9a55dab5f97ada4a3af8d

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
SignaturenxM8Jpu3YrELwLQ63RukcMCrqj5ry2viwgxGjNJduwSF+8ngB0YkiX7MIitojVuxZ0zCNGStkctonU93dL1XAA==
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

2026-09-17T10:29:04.462890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069180
observed da79ed1c88663daba1e06a9fdb562634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.447399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069180/manifest.json
observed 4fe201c747eede2e445d04f633cf60f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.430725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069180/publication.md
observed 86b0e909b86deb924e6f24db76b10245...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.412861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069180/publication.txt
observed ada0f7ccda964fbcc222e6a4ac52b81e...
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.