OpenTechnical

OT-2026-000023233

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000023233) never changes.

Identity and time

Publication numberOT-2026-000023233 · never reused
Internal UUID01a0ae70-7267-7d82-a936-b74a1b3e06a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023233
StatusPUBLIC

Content hashes

Canonical text4e8def6364f4521d3313af32d3e785a1d9fd8b96dddea7f0bc856d66a7c4ec37
Markdowndf410ba5f0f22c42ab0e2e93217dc8909fc44a11cca995e04f818745b9bf92bc
PDF
Publication page45f3208a1834adab60a5f58dd9f159e8bd1115196f3cbaa474e8ea434a88dec3
Manifest883c071186fc9beec7a5594ab8ef33c9a4ff036cb6cf26fe2b2143f1ed7ecee0

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
SignaturefKWSpSNwlp6tlXimCMyxLHRVu8I5Uyle/wBJAc/D7ln7/OHFMvP/6kbt6w7AfMLgszmTpVkI/Cw9Cvom6AuuDw==
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

2026-09-17T11:51:17.617915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023233
observed 45f3208a1834adab60a5f58dd9f159e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:17.591578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023233/manifest.json
observed 883c071186fc9beec7a5594ab8ef33c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:17.571008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023233/publication.md
observed df410ba5f0f22c42ab0e2e93217dc890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:17.547368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023233/publication.txt
observed 4e8def6364f4521d3313af32d3e785a1...
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.