OpenTechnical

OT-2026-000049581

Publication integrity record

Six cup vacuum gripper, six 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-2026-000049581) never changes.

Identity and time

Publication numberOT-2026-000049581 · never reused
Internal UUID01a0ae81-8f7d-7054-ad1a-57bc82c9e2a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049581
StatusPUBLIC

Content hashes

Canonical text31de3e15527bf0819104a3530aea4c62fbdea342cb6841190f4adf2e12e8ed29
Markdown93f3ed083d48dc8e1b6c81e0b5c20d7d57b39ccfb78525c2de8d9902ccc3875d
PDF
Publication page003c3dc20f0f09af1835f2245ee9e245d24188c42bee1a65c8ed175060ccdc95
Manifeste547097b8680dc78bfeca4310bd07f4b629ed3e79c151cdabe155132601afedc

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
Signature6styteihBn8+fzaMNUHPXWxfqZy7pBqk6SUM4fNeVo9R+L8mc9dyWbtnGrHTL7Ta98Ail7ny+MAlf/SzDRcBCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:02:33.197658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049581
observed 003c3dc20f0f09af1835f2245ee9e245...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:33.180177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049581/manifest.json
observed e547097b8680dc78bfeca4310bd07f4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:33.161706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049581/publication.md
observed 93f3ed083d48dc8e1b6c81e0b5c20d7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:33.143402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049581/publication.txt
observed 31de3e15527bf0819104a3530aea4c62...
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.