Pith Number

pith:C46WTVO6

pith:1999:C46WTVO62DMML3KKZNQLED4I4Q

not attested not anchored not stored refs pending

Electron Population Aging Models for Wide-Angle Tails

Aileen A. O'Donoghue (St. Lawrence U.), Andrew Young (U. Minnesota), Debora M. Katz-Stone (Naval Academy), Lawrence Rudnick (U. Minnesota)

arxiv:astro-ph/9909182 v1 · 1999-09-10 · 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{C46WTVO62DMML3KKZNQLED4I4Q}

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	2026-05-18T01:40:12.699043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

173d69d5ded0d8c5ed4acb60b20f88e4150d359c49e2c333038283742847089f

Aliases

arxiv: astro-ph/9909182 · arxiv_version: astro-ph/9909182v1 · doi: 10.48550/arxiv.astro-ph/9909182 · pith_short_12: C46WTVO62DMM · pith_short_16: C46WTVO62DMML3KK · pith_short_8: C46WTVO6

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/C46WTVO62DMML3KKZNQLED4I4Q \
  | 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: 173d69d5ded0d8c5ed4acb60b20f88e4150d359c49e2c333038283742847089f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9cb24e1e4a5591ba734064315d89a3b75377115476bb00556de08272e183cc4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-09-10T14:03:29Z",
    "title_canon_sha256": "fd6b93b6631aa51baded3d2433ab201fe5cfb6b283e96c62233a8d1f7c05f3f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9909182",
    "kind": "arxiv",
    "version": 1
  }
}