Pith Number

pith:P5IMJYUG

pith:2005:P5IMJYUG2A6R34J2C36VIRZ3FL

not attested not anchored not stored refs pending

Neutrino Signatures from the First Stars

Elisabesth Vangioni, Frederic Daigne, Keith A. Olive, Pearl Sandick

arxiv:astro-ph/0509404 v1 · 2005-09-14 · 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{P5IMJYUG2A6R34J2C36VIRZ3FL}

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	2026-05-18T01:07:30.684239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f50c4e286d03d1df13a16fd54473b2adcf366f686515af3f49e7a244bce6d9d

Aliases

arxiv: astro-ph/0509404 · arxiv_version: astro-ph/0509404v1 · doi: 10.48550/arxiv.astro-ph/0509404 · pith_short_12: P5IMJYUG2A6R · pith_short_16: P5IMJYUG2A6R34J2 · pith_short_8: P5IMJYUG

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/P5IMJYUG2A6R34J2C36VIRZ3FL \
  | 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: 7f50c4e286d03d1df13a16fd54473b2adcf366f686515af3f49e7a244bce6d9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d589e4440f0c099b32943128b3300886d0394938afab8eded01fd15846d15fc6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-14T20:00:48Z",
    "title_canon_sha256": "63eeb5cc2682f0bdb105ac42ff1b4eb97511e335a04b23c2af6ab2c674ff947b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509404",
    "kind": "arxiv",
    "version": 1
  }
}