Pith Number

pith:ZRTQG764

pith:2004:ZRTQG764HCPAA47IJCDMLIBOOE

not attested not anchored not stored refs pending

Microquasars and gamma-ray sources

Gustavo E. Romero

arxiv:astro-ph/0407461 v1 · 2004-07-21 · 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{ZRTQG764HCPAA47IJCDMLIBOOE}

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	2026-07-04T14:13:40.542862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc67037fdc389e0073e84886c5a02e71220abf91831d9cf6e91ea53b6082e527

Aliases

arxiv: astro-ph/0407461 · arxiv_version: astro-ph/0407461v1 · doi: 10.48550/arxiv.astro-ph/0407461 · pith_short_12: ZRTQG764HCPA · pith_short_16: ZRTQG764HCPAA47I · pith_short_8: ZRTQG764

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/ZRTQG764HCPAA47IJCDMLIBOOE \
  | 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: cc67037fdc389e0073e84886c5a02e71220abf91831d9cf6e91ea53b6082e527

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c508519d4af35759f92d6e0f3fd83063956dada1d6c9c14681e1cb681d5f9c16",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-07-21T18:49:16Z",
    "title_canon_sha256": "40a78c4e42818b9e19ab19a4aa7c3fa2e1a4f9fee2134a80894a1b1ef32c8602"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0407461",
    "kind": "arxiv",
    "version": 1
  }
}