OpenTechnical

OT-2026-000068210

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before 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-2026-000068210) never changes.

Identity and time

Publication numberOT-2026-000068210 · never reused
Internal UUID01a0ae8f-c4ff-7a84-ae61-bb0026bdf098 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068210
StatusPUBLIC

Content hashes

Canonical textfcd98a961840a5fecc56758bacc503ade8d89e22850be05e5fd1c1c47bd1401b
Markdowne566864e5e140a1a95c18a7be5e8d98368073ddf3bf5fa106d5be72c429f19d8
PDF
Publication page7ce1d9155c134896d340fd00f26e0421a5775736f438bf64f9d58dd09826fb76
Manifest9801178795a996f1dd2d6e9d7b265226f2cc8fc3a0a13efe9e403e9d3268343c

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
SignaturewRijq+6P7eNCDJ3wmDksMHPN6JCVfPS1bD336uAvaH+VjQ5YFyyxDTnl0D/9Tqr8g2DYpZbIoCfR94+K2zC8DA==
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

2026-09-17T10:30:52.406184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068210
observed 7ce1d9155c134896d340fd00f26e0421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.388251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068210/manifest.json
observed 9801178795a996f1dd2d6e9d7b265226...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.369945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068210/publication.md
observed e566864e5e140a1a95c18a7be5e8d983...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.353154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068210/publication.txt
observed fcd98a961840a5fecc56758bacc503ad...
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.