OpenTechnical

OT-2026-000052107

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000052107) never changes.

Identity and time

Publication numberOT-2026-000052107 · never reused
Internal UUID01a0ae83-e78f-7122-a5a0-7a843e6ae741 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052107
StatusPUBLIC

Content hashes

Canonical textfdbe4bfb2c87f3e38a0a058599bbf94dfc4df24291d99c4d5658594d2cdbaef4
Markdownf8e14a00f20e8f70e63da4386c036e164318b46c704906782463e3df4f343e3d
PDF
Publication page46caeaa040d2fe7cf3c542a313e84805e6969a4b28dee0d659436560b9277141
Manifeste6b12c2d713ad09f814711bc86228e0acf6c577d0c1a4fedc90a09f4d9ef1e72

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
SignaturelppqlhPEPk+3iauCb4Q/BZpmadLVc0l4zujRPmPOYlvJjaoBb9SRv4IAtp79YqPsd77Nz76+H8nPSvi34B0wAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:38.892053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052107
observed 46caeaa040d2fe7cf3c542a313e84805...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:38.872205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052107/manifest.json
observed e6b12c2d713ad09f814711bc86228e0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:38.853555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052107/publication.md
observed f8e14a00f20e8f70e63da4386c036e16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:38.834435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052107/publication.txt
observed fdbe4bfb2c87f3e38a0a058599bbf94d...
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.