OpenTechnical

OT-2026-000065707

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000065707) never changes.

Identity and time

Publication numberOT-2026-000065707 · never reused
Internal UUID01a0ae8e-46fb-7a95-bc20-524fd5e4a846 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065707
StatusPUBLIC

Content hashes

Canonical textcdf89d13f6aec5560b2f44b027c458da4a8bdc3d0b5e78aa70a137684ff08f7b
Markdown5f3bcecba4ff8929434814578299b8a052a3876c7e7c97e19e5da0acbd175bdf
PDF
Publication page1a4d39b62565dfff297913c985401c290fee7445326fd74220150286e501657c
Manifest29784baea87e5cd06793d4f096f115d4470359ff4ead36c0dbaa1722c11090cc

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
SignatureiBuSGTS0d6knwSTwCmaRwqRqu3UI+ttkTJvtFLkJVNJCI3EmLBXStvykttpfxpwiXGCGX32NZFEoiQlq8Wt9BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:34:07.461878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065707
observed 1a4d39b62565dfff297913c985401c29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:07.442625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065707/manifest.json
observed 29784baea87e5cd06793d4f096f115d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:07.424166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065707/publication.md
observed 5f3bcecba4ff8929434814578299b8a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:07.406339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065707/publication.txt
observed cdf89d13f6aec5560b2f44b027c458da...
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.