OpenTechnical

OT-2026-000031634

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, pulsed 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-2026-000031634) never changes.

Identity and time

Publication numberOT-2026-000031634 · never reused
Internal UUID01a0ae74-bacf-7912-a378-19d0b0595a6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031634
StatusPUBLIC

Content hashes

Canonical text46cc7ce0cff5d0e6d3194d3ba534f78bf38c65a25c24c8ad524b82183e988c68
Markdown1cdf28272a8edc449892e92bea02d97620cb8f4fcdbff4680b63dbee118ca261
PDF
Publication pagefa6a2b466357a08d45d5f27250c048a8ba8de83ca1a324afcdd6abbc3cefce99
Manifestede11e8cfaa49499a26d6b9ac3c9f7cffc9abd535f2fd7c2df78eec81cc80b3f

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
SignaturebSbE2PBOdHyyqNTObhlN6t1hbSGzILpGu0HtClGSFHEuF39lnVbn9YUi/9SbbhsXlnTwZciZId6ZTe1BllSZBg==
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

2026-09-17T11:34:41.211112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031634
observed fa6a2b466357a08d45d5f27250c048a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:41.195228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031634/manifest.json
observed ede11e8cfaa49499a26d6b9ac3c9f7cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:41.178560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031634/publication.md
observed 1cdf28272a8edc449892e92bea02d976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:41.159301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031634/publication.txt
observed 46cc7ce0cff5d0e6d3194d3ba534f78b...
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.