Pith Number

pith:7UMC77TK

pith:2005:7UMC77TKJKTCNWN2KKBAGA7SNE

not attested not anchored not stored refs pending

Constraint on Cosmological Model with Matter Creation Using Complementary Astronomical Observations

2), (2)Key Laboratory of Particle Astrophysics, Beijing Normal University, Chinese Academy of Sciences), Institute of High Energy Physics, Tong-Jie Zhang (1), Yuan Qiang (1, Ze-Long Yi (1) ((1)Department of Astronomy

arxiv:astro-ph/0503123 v2 · 2005-03-06 · astro-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{7UMC77TKJKTCNWN2KKBAGA7SNE}

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	2026-05-18T01:40:34.337140Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd182ffe6a4aa626d9ba52820303f26909f7b3c5fdedb05ebd06635d564fe42b

Aliases

arxiv: astro-ph/0503123 · arxiv_version: astro-ph/0503123v2 · doi: 10.48550/arxiv.astro-ph/0503123 · pith_short_12: 7UMC77TKJKTC · pith_short_16: 7UMC77TKJKTCNWN2 · pith_short_8: 7UMC77TK

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/7UMC77TKJKTCNWN2KKBAGA7SNE \
  | 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: fd182ffe6a4aa626d9ba52820303f26909f7b3c5fdedb05ebd06635d564fe42b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c13a556a837d14b0622a312a2c882a672082302e8588f0d580214019f015d65b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-03-06T03:51:49Z",
    "title_canon_sha256": "846335fa438ce061cca56bab3c0143347488655cd6a627d6f0a08f3b41fb2ca2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0503123",
    "kind": "arxiv",
    "version": 2
  }
}