OpenTechnical

OT-2026-000102942

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000102942) never changes.

Identity and time

Publication numberOT-2026-000102942 · never reused
Internal UUID01a0aea4-be3c-7ea8-820d-c6a974fc9fef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102942
StatusPUBLIC

Content hashes

Canonical text7bf21fbb2a3710e7f9d0f7188bf276cc00b06de96359463e45fa2737015a912a
Markdownd54594e3f5ce3492e4997cd4594a0d68cbfae8f3468ee05a96e7addc4a3f2cd5
PDF
Publication pageabeca0ffd6281dab79282996855c405a21f168686aab10d327d3421e0e1b4c23
Manifest4b0f8a50cc910af5fd1b6373469e25de345ee701ec1296dc6a9d27a25bf17d4f

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
Signature4iL6FZ3QQeuQZSq1ry1ExwJcTHP+AmuKHaVAJ5hPdQPX2ZSMdGYxG7/tSKNeP+FHE6zpCaEFzlGEN+FarLf+Ag==
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

2026-09-17T09:23:02.847807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102942
observed abeca0ffd6281dab79282996855c405a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:02.826957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102942/manifest.json
observed 4b0f8a50cc910af5fd1b6373469e25de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:02.804908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102942/publication.md
observed d54594e3f5ce3492e4997cd4594a0d68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:02.786877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102942/publication.txt
observed 7bf21fbb2a3710e7f9d0f7188bf276cc...
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.