Pith Number

pith:ZES7TGOZ

pith:2004:ZES7TGOZQUE5UARO2RFLK32ACP

not attested not anchored not stored refs pending

Distribution of the extensive Doppler redshift of quasars

Cheng-Yue Su, En-Wei Liang, Hong-Tao Liu, Yi-Ping Qin, Yun-Ming Dong

arxiv:astro-ph/0408546 v1 · 2004-08-30 · astro-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZES7TGOZQUE5UARO2RFLK32ACP}

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	2026-05-18T01:07:32.229012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c925f999d98509da022ed44ab56f4013ef988cff4b4ec8587e428b8ede63d18f

Aliases

arxiv: astro-ph/0408546 · arxiv_version: astro-ph/0408546v1 · doi: 10.48550/arxiv.astro-ph/0408546 · pith_short_12: ZES7TGOZQUE5 · pith_short_16: ZES7TGOZQUE5UARO · pith_short_8: ZES7TGOZ

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/ZES7TGOZQUE5UARO2RFLK32ACP \
  | 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: c925f999d98509da022ed44ab56f4013ef988cff4b4ec8587e428b8ede63d18f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eec4242cb7e7fffb8156871d830f1c587ec75ce4811c73beacde80c9186d83ba",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-08-30T10:42:07Z",
    "title_canon_sha256": "919accac7dd2cd8be027f48b56f04809505b7fa3145b29c89d43cdc6ee431380"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0408546",
    "kind": "arxiv",
    "version": 1
  }
}