OpenTechnical

OT-2026-000025683

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000025683) never changes.

Identity and time

Publication numberOT-2026-000025683 · never reused
Internal UUID01a0ae71-9bc9-75d9-a898-7a42a26cece5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025683
StatusPUBLIC

Content hashes

Canonical textcb5ada2e249e9a43e99d82ec6dc01cf392dd62710c04bcb64c54a17bb44a0855
Markdown805e3a9482ce715c9f99e8da50f16140740b413a52616f064d58639a1317cd2f
PDF
Publication pagef2306ee785ff38749768e529b2db1ad44273ecf1c16d6367e25ec29a5ad13383
Manifesta323e8422f9deadaea2f756cb8dd845aa52efe24568b40aaefd26e74de96830f

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
SignatureiZxfSMYaI7d2BmbMPdGt79/SDprKZduF7uvKSUYoiunwoS6yfQU41t75EOMflT7i9fzEos0pk8SqMtPdF5tYCw==
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

2026-09-17T11:46:47.054493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025683
observed f2306ee785ff38749768e529b2db1ad4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:47.035151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025683/manifest.json
observed a323e8422f9deadaea2f756cb8dd845a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:47.016177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025683/publication.md
observed 805e3a9482ce715c9f99e8da50f16140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:46.993616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025683/publication.txt
observed cb5ada2e249e9a43e99d82ec6dc01cf3...
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.