OpenTechnical

OT-2026-000043541

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000043541) never changes.

Identity and time

Publication numberOT-2026-000043541 · never reused
Internal UUID01a0ae7b-92cf-7a0f-aa56-e9762b8045e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043541
StatusPUBLIC

Content hashes

Canonical text45303d3aeee54d0e2b3a425bc762774a03fbfe82043b00082fe1c5f05da5b0f5
Markdown914956f19d5c82c84e53611bf1eaa0dee606179619f7133da1963c2f9af7d67b
PDF
Publication pagecdaaa2626af90602fdc078b606c05e887bb65c97a25f138e0d14b3f0e1d1b58a
Manifest427986c5e4ccd3db754d77fd1d475771d06439cf25901858e6cfcd283a6b3b4f

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
SignatureJBuPhhwTHfJGGTYfS/13+dmZ9zomKerSE08wSUS8ltSHfqSuw7gOiU7UGpN4JhyDnt54V09kVG9zQVddtTzmCg==
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

2026-09-17T11:12:55.507330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043541
observed cdaaa2626af90602fdc078b606c05e88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:55.486376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043541/manifest.json
observed 427986c5e4ccd3db754d77fd1d475771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:55.466177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043541/publication.md
observed 914956f19d5c82c84e53611bf1eaa0de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:55.446442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043541/publication.txt
observed 45303d3aeee54d0e2b3a425bc762774a...
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.