Pith Number

pith:NDPZX3BV

pith:2010:NDPZX3BVI6QD256TPF3E4QUMDK

not attested not anchored not stored refs pending

Anomalous scaling law for noise variance and spatial resolution in differential phase contrast computed tomography

Guang-Hong Chen, Joseph Zambelli, Nicholas Bevins, Zhihua Qi

arxiv:1006.0967 v1 · 2010-06-04 · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NDPZX3BVI6QD256TPF3E4QUMDK}

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	2026-05-18T02:07:04.638329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68df9bec3547a03d77d379764e428c1ab39a7a93ed865aed97ac82ece174e366

Aliases

arxiv: 1006.0967 · arxiv_version: 1006.0967v1 · doi: 10.48550/arxiv.1006.0967 · pith_short_12: NDPZX3BVI6QD · pith_short_16: NDPZX3BVI6QD256T · pith_short_8: NDPZX3BV

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/NDPZX3BVI6QD256TPF3E4QUMDK \
  | 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: 68df9bec3547a03d77d379764e428c1ab39a7a93ed865aed97ac82ece174e366

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0310b0448d85a217762aaf78166db2e07471c7e620d317d4bd9eff2e2a5488a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2010-06-04T19:09:46Z",
    "title_canon_sha256": "ac119696c482113b670fbf141110d4624935deb9ee691f80fe00ed954442941e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.0967",
    "kind": "arxiv",
    "version": 1
  }
}