Pith Number

pith:65RTCO2I

pith:2025:65RTCO2IR6QRSDTZPQMTCFX5CF

not attested not anchored not stored refs pending

Volumetric Material Decomposition Using Spectral Diffusion Posterior Sampling with a Compressed Polychromatic Forward Model

Grace J. Gang, J. Webster Stayman, Xiao Jiang

arxiv:2503.22392 v1 · 2025-03-28 · physics.med-ph · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{65RTCO2IR6QRSDTZPQMTCFX5CF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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	2026-07-05T10:41:04.162527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f763313b488fa1190e797c193116fd1171f20c68d7c73d96f10295e32c2fed9d

Aliases

arxiv: 2503.22392 · arxiv_version: 2503.22392v1 · doi: 10.48550/arxiv.2503.22392 · pith_short_12: 65RTCO2IR6QR · pith_short_16: 65RTCO2IR6QRSDTZ · pith_short_8: 65RTCO2I

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/65RTCO2IR6QRSDTZPQMTCFX5CF \
  | 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: f763313b488fa1190e797c193116fd1171f20c68d7c73d96f10295e32c2fed9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79af4771ff3694c83923582889fb9fa2d9dd38ead7d7e5671c336cc9c9e0c06c",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2025-03-28T12:52:59Z",
    "title_canon_sha256": "459c5dbc74cc98d859cd90e5da89dd4330d7dece5906fe5062448257ce9c4536"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.22392",
    "kind": "arxiv",
    "version": 1
  }
}