OpenTechnical

OT-2026-000059589

Publication integrity record

Single cup vacuum gripper, two stage ejector, vented after 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-2026-000059589) never changes.

Identity and time

Publication numberOT-2026-000059589 · never reused
Internal UUID01a0ae89-ec23-771e-bbb5-fc9b1db5e921 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059589
StatusPUBLIC

Content hashes

Canonical text2f2de93d1190a038d1f91971bbcbbda3044c1d07417156e7c39c16c3d2f5a3c6
Markdowne2c2c1529305c62cd85db38bd8342eb0c155393b92d28640513c5005537eb825
PDF
Publication page30b892cb5010b14b5303de3d41e97d1761077396bbcff47b3ac829272ee7aa1d
Manifest395e99783dcb482357361c0d31c673f4515c20385e18bc2850d2a99155a6cf7f

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
SignatureUaE7Hs4Uv0LgwZzp54Hp+IAp3yfuOgzf8kkqFXWTuf6vpw5dFuG4IdaCkTX9iALocm72sqDaFOcPHixcNt5yCg==
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

2026-09-17T10:44:14.440153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059589
observed 30b892cb5010b14b5303de3d41e97d17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:14.422640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059589/manifest.json
observed 395e99783dcb482357361c0d31c673f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:14.404631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059589/publication.md
observed e2c2c1529305c62cd85db38bd8342eb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:14.386495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059589/publication.txt
observed 2f2de93d1190a038d1f91971bbcbbda3...
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.