OpenTechnical

OT-2026-000101648

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pulsed 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-2026-000101648) never changes.

Identity and time

Publication numberOT-2026-000101648 · never reused
Internal UUID01a0aea4-0e16-72bb-87f3-144633d7eb2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101648
StatusPUBLIC

Content hashes

Canonical text78eaa2a578f04ef3953f71969e355891a8e8c1a83e3cb922bc8089a84c089420
Markdowneb16090e1e12636dec3b72d89a5fef380333c85628c3747254a893a22a424ba9
PDF
Publication page6da57a50dfc667932ae8df32280389f7fc7d885d19ea2780011030eda97e9829
Manifest1be82206ed3aa838da85df4cd010137cf49c06e322844265310f6ff7848e5044

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
SignaturexBvVHZg9PSxE+FUd83RtWudGX1cO9sNIseLmRK7Nq29az9YVQV/0gt2lrgyTPqAc+nUzBa07Y+REiTtYn0VjBQ==
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

2026-09-17T09:25:47.001542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101648
observed 6da57a50dfc667932ae8df32280389f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:46.984133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101648/manifest.json
observed 1be82206ed3aa838da85df4cd010137c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:46.965370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101648/publication.md
observed eb16090e1e12636dec3b72d89a5fef38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:46.947941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101648/publication.txt
observed 78eaa2a578f04ef3953f71969e355891...
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.