Pith Number

pith:6K5DWSFQ

pith:2017:6K5DWSFQOWPCLZ2WB3EW7P6KT5

not attested not anchored not stored refs pending

Image-domain multi-material decomposition for dual-energy CT based on correlation and sparsity of material images

Qiaoqiao Ding, Tianye Niu, Xiaoqun Zhang, Yong Long

arxiv:1710.07028 v1 · 2017-10-19 · physics.med-ph · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6K5DWSFQOWPCLZ2WB3EW7P6KT5}

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:06:41.332624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2ba3b48b0759e25e7560ec96fbfca9f407c9f7c18935463dc945667e61da520

Aliases

arxiv: 1710.07028 · arxiv_version: 1710.07028v1 · doi: 10.48550/arxiv.1710.07028 · pith_short_12: 6K5DWSFQOWPC · pith_short_16: 6K5DWSFQOWPCLZ2W · pith_short_8: 6K5DWSFQ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/6K5DWSFQOWPCLZ2WB3EW7P6KT5 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: f2ba3b48b0759e25e7560ec96fbfca9f407c9f7c18935463dc945667e61da520

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd39fcfe66bc46655a7f8d0a242d49482a7f8f7a24fe48b49b452677e402d4cb",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2017-10-19T07:51:37Z",
    "title_canon_sha256": "d4f42900f674530fea800e082a4790b315921a2d4785b01f61edbaa059d86656"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.07028",
    "kind": "arxiv",
    "version": 1
  }
}