Pith Number

pith:B4EUEK5W

pith:2019:B4EUEK5WM37MKPO4I4ZWUWED5A

not attested not anchored not stored refs pending

Modelling cosmic ray electron physics in cosmological smoothed particle hydrodynamics simulation

Chenxi Shan, Dan Hu, Dongchao Zheng, Jiajun Zhang, Linfeng Xiao, Weitian Li, Xiaoli Lian, Zhenghao Zhu

arxiv:1912.00432 v1 · 2019-12-01 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B4EUEK5WM37MKPO4I4ZWUWED5A}

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	2026-07-05T00:23:13.888365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f09422bb666fec53ddc47336a5883e82f653cf5cbb7324313d01380f6c92deb

Aliases

arxiv: 1912.00432 · arxiv_version: 1912.00432v1 · doi: 10.48550/arxiv.1912.00432 · pith_short_12: B4EUEK5WM37M · pith_short_16: B4EUEK5WM37MKPO4 · pith_short_8: B4EUEK5W

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/B4EUEK5WM37MKPO4I4ZWUWED5A \
  | 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: 0f09422bb666fec53ddc47336a5883e82f653cf5cbb7324313d01380f6c92deb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3910f369824a65ac8929ed287e5755b2c4757ba8808fed1ef654bd24db44e49c",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-12-01T15:50:08Z",
    "title_canon_sha256": "d9ff0dba6c2fdf54fd2c548bc91dd841b6906e411d536e8dbe247168901a8438"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.00432",
    "kind": "arxiv",
    "version": 1
  }
}