Pith Number

pith:3HFJ437W

pith:2018:3HFJ437W2EXVUSNIX5L7G324TO

not attested not anchored not stored refs pending

Understanding the $\gamma$-ray emission from the globular cluster 47 Tuc: evidence for dark matter?

Anthony M. Brown, C\'eline B{\oe}hm, Paula Chadwick, Sheridan Lloyd, Thomas Lacroix

arxiv:1806.01866 v1 · 2018-06-05 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3HFJ437W2EXVUSNIX5L7G324TO}

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	2026-05-18T00:08:14.705887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9ca9e6ff6d12f5a49a8bf57f36f5c9b9a1ad8433183ea137427958c6e9c1669

Aliases

arxiv: 1806.01866 · arxiv_version: 1806.01866v1 · doi: 10.48550/arxiv.1806.01866 · pith_short_12: 3HFJ437W2EXV · pith_short_16: 3HFJ437W2EXVUSNI · pith_short_8: 3HFJ437W

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/3HFJ437W2EXVUSNIX5L7G324TO \
  | 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: d9ca9e6ff6d12f5a49a8bf57f36f5c9b9a1ad8433183ea137427958c6e9c1669

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b64e87e23d4aa3a9bf814a28356157e2d350e458168755e771a635880ec52ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-06-05T18:00:39Z",
    "title_canon_sha256": "0b8ac349a38de504c333ba05f581152d921667b077b02e5f547878567fa63ee3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.01866",
    "kind": "arxiv",
    "version": 1
  }
}