OpenTechnical

OT-2026-000041934

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000041934) never changes.

Identity and time

Publication numberOT-2026-000041934 · never reused
Internal UUID01a0ae79-e8a6-7fa7-9e47-1a781d5bea9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041934
StatusPUBLIC

Content hashes

Canonical textc5ae8befc48c16d8c979e40f6e2ffdbe49927b54ca37f444f9838e690b01d00f
Markdown5c00a4ffb5fad37e7271f78aa87510e0a7b3ed3ecf905ca56c087b60a234c407
PDF
Publication page1a4c7401c4105db1f0fb5f0b6d56c01d9fdd76cd865bc5ba769c9a06c4e7d0cc
Manifest7473db5506d0e2a5d4d260d5aee6c604bbeb935e7b7774dfd7e0bcfad3a334ec

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
SignatureGzo6L3tL36aUlPhzASMMel/Gn6PeY3NtcU5Pb0rtA8PeRRutW2pCK/kcHdhI1uFIrDwj+BIZkHzm/9TbkgDfBQ==
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

2026-09-17T11:16:49.326556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041934
observed 1a4c7401c4105db1f0fb5f0b6d56c01d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:49.309725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041934/manifest.json
observed 7473db5506d0e2a5d4d260d5aee6c604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:49.292905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041934/publication.md
observed 5c00a4ffb5fad37e7271f78aa87510e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:49.276663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041934/publication.txt
observed c5ae8befc48c16d8c979e40f6e2ffdbe...
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.