OpenTechnical

OT-2026-000041190

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000041190) never changes.

Identity and time

Publication numberOT-2026-000041190 · never reused
Internal UUID01a0ae79-b143-7aee-8bb9-5b8a9c8c0a7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041190
StatusPUBLIC

Content hashes

Canonical text9ead4a26f624558390f3f68b7eda575db8d7296310db9a2a723e9bee32711bf2
Markdown248b14fad45f05d1d3fdd2f35fa931added91c5f517775503a3d3c36617a9ac4
PDF
Publication pagecce748e703a0dc14434ec4b163af3daff322bdb9736024c2278eb3b4e3d175c7
Manifest9d7d4092c0a79ee63e26534426f6e4f6c7faf672dab4310ddf5cf36d41fb1b79

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
SignatureK9Xt/MyxX8e5GbCuV4SGgckVS/gjEBDeYQjDikL8sqxiTezRxJxUgpAmFoLlKc3/I8dgpMvmVAIAOXNoUmadAg==
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

2026-09-17T11:17:08.529217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041190
observed cce748e703a0dc14434ec4b163af3daf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:08.509766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041190/manifest.json
observed 9d7d4092c0a79ee63e26534426f6e4f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:08.493303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041190/publication.md
observed 248b14fad45f05d1d3fdd2f35fa931ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:08.476383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041190/publication.txt
observed 9ead4a26f624558390f3f68b7eda575d...
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.