Pith Number

pith:TFHCHD73

pith:2015:TFHCHD73PJBPBJXPTSBPQOEAKO

not attested not anchored not stored refs pending

Preliminary Research on Dual-Energy X-Ray Phase-Contrast Imaging

Can Zhang, Huajie Han, Kai Zhang, Kun Gao, Meng Yang, Peiping Zhu, Shenghao Wang, Zhili Wang

arxiv:1505.03685 v1 · 2015-05-14 · 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{TFHCHD73PJBPBJXPTSBPQOEAKO}

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	2026-05-18T01:20:29.567867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

994e238ffb7a42f0a6ef9c82f8388053978b7afa751979d314792cca45508d5c

Aliases

arxiv: 1505.03685 · arxiv_version: 1505.03685v1 · doi: 10.48550/arxiv.1505.03685 · pith_short_12: TFHCHD73PJBP · pith_short_16: TFHCHD73PJBPBJXP · pith_short_8: TFHCHD73

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/TFHCHD73PJBPBJXPTSBPQOEAKO \
  | 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: 994e238ffb7a42f0a6ef9c82f8388053978b7afa751979d314792cca45508d5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "643ca39b63d647b3a8de1ae8ebb58633eb3422c32722d7bb3856aca7492a0b45",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2015-05-14T11:19:20Z",
    "title_canon_sha256": "d8cda19eda3a903b465254b6b950c7c200b725c8cfe33ef93f4e4eef1a65d30f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.03685",
    "kind": "arxiv",
    "version": 1
  }
}