Pith Number

pith:ELMTMUGO

pith:2004:ELMTMUGOQSTG6OPS22IV7HIDC7

not attested not anchored not stored refs pending

Geminga: a tale of two tails, and much more

A. De Luca, A. Pellizzoni, A. Tur, G.F. Bignami, P.A. Caraveo, R.P. Mignani, S. Mereghetti, W. Becker

arxiv:astro-ph/0402232 v1 · 2004-02-10 · 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{ELMTMUGOQSTG6OPS22IV7HIDC7}

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	2026-07-04T14:13:20.371237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22d93650ce84a66f39f2d6915f9d0317f2f9ce8189708b4a882eeb977f53e685

Aliases

arxiv: astro-ph/0402232 · arxiv_version: astro-ph/0402232v1 · doi: 10.48550/arxiv.astro-ph/0402232 · pith_short_12: ELMTMUGOQSTG · pith_short_16: ELMTMUGOQSTG6OPS · pith_short_8: ELMTMUGO

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/ELMTMUGOQSTG6OPS22IV7HIDC7 \
  | 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: 22d93650ce84a66f39f2d6915f9d0317f2f9ce8189708b4a882eeb977f53e685

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d495a12aac0e477e8a3da3f1083923c5de0c88bf2e44ec0258cefa732e39eb6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-02-10T18:17:25Z",
    "title_canon_sha256": "81e536820f2985f52b2f36c90c5bd2e8138c8c5d35b9424bb4cbd86eac62d69d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0402232",
    "kind": "arxiv",
    "version": 1
  }
}