OpenTechnical

OT-2026-000041350

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum 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-2026-000041350) never changes.

Identity and time

Publication numberOT-2026-000041350 · never reused
Internal UUID01a0ae79-b144-789f-a118-ea54ffd7321d · 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-2026-000041350
StatusPUBLIC

Content hashes

Canonical text2eb90f4c0bc9e44177dfe8109ece3216fc7ee52d2bec320f6d9251e38f332f1c
Markdownad4a4dbd8ede99bfe9c1eff76fd20d007ef7e3527f06dff137ae3d06b03790a4
PDF
Publication pageeb5e1dcc485d271016a77c558335460d9fe2e96817edee0f4426d2df695f7d4f
Manifestb82222e494a29081bfa5d5a3653a7c6d894bd1241e19b870c8d0532ef57dafde

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
SignatureZn7SM5isi6AR8cQeN7jkWrl8W6hX5eWjxHWEoctmBffLRRGDhlUekMO+yB8xYq05+bavEc2mqNzWmHg7Myt+Bw==
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

2026-09-17T11:17:21.017073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041350
observed eb5e1dcc485d271016a77c558335460d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:20.996535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041350/manifest.json
observed b82222e494a29081bfa5d5a3653a7c6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:20.979372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041350/publication.md
observed ad4a4dbd8ede99bfe9c1eff76fd20d00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:20.961857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041350/publication.txt
observed 2eb90f4c0bc9e44177dfe8109ece3216...
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.