Pith Number

pith:NSBTYOAN

pith:2025:NSBTYOANO7R3IJTJV3SUBNZHIC

not attested not anchored not stored refs pending

An efficient approach with theoretical guarantees to simultaneously reconstruct activity and attenuation sinogram for TOF-PET

Chong Chen, Liyang Hu

arxiv:2510.13562 v1 · 2025-10-15 · physics.med-ph · cs.CV · cs.NA · 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{NSBTYOANO7R3IJTJV3SUBNZHIC}

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	2026-06-19T16:12:04.394087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c833c380d77e3b42669aee540b72740b854072ffe347a23bf5e229687db71bd

Aliases

arxiv: 2510.13562 · arxiv_version: 2510.13562v1 · doi: 10.48550/arxiv.2510.13562 · pith_short_12: NSBTYOANO7R3 · pith_short_16: NSBTYOANO7R3IJTJ · pith_short_8: NSBTYOAN

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/NSBTYOANO7R3IJTJV3SUBNZHIC \
  | 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: 6c833c380d77e3b42669aee540b72740b854072ffe347a23bf5e229687db71bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc897f0b2f8d7bdaf427a2066658aa348d5073e33273604fe5ebf673fb87eff8",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2025-10-15T14:01:03Z",
    "title_canon_sha256": "6a087bf0b4449bfffd15eb6a8f5ff788e66ffe4e77e0e2df81d48cec001e28dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.13562",
    "kind": "arxiv",
    "version": 1
  }
}