Pith Number

pith:ME7NQIFN

pith:2009:ME7NQIFNH5SGL44HW3KX725PJ3

not attested not anchored not stored refs pending

Properties of Long Gamma-Ray Burst Host Galaxies in Cosmological Simulation

G. De Lucia, L.-X. Li, M.A. Campisi, S. Mao, X. Kang

arxiv:0908.2427 v2 · 2009-08-17 · astro-ph.CO · 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{ME7NQIFNH5SGL44HW3KX725PJ3}

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	2026-05-18T02:12:33.286510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

613ed820ad3f6465f387b6d57febaf4ed040158f8581ea6166aae5dbfbf5bff0

Aliases

arxiv: 0908.2427 · arxiv_version: 0908.2427v2 · doi: 10.48550/arxiv.0908.2427 · pith_short_12: ME7NQIFNH5SG · pith_short_16: ME7NQIFNH5SGL44H · pith_short_8: ME7NQIFN

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/ME7NQIFNH5SGL44HW3KX725PJ3 \
  | 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: 613ed820ad3f6465f387b6d57febaf4ed040158f8581ea6166aae5dbfbf5bff0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "358c3abd5986c7f445b362fbb935a0d204d6d4dc4907811cbc25491ec1436673",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-17T20:00:48Z",
    "title_canon_sha256": "0c07ccd49140d4af94ac560be20328d4b2c5ae715a70969bc804b0ac1164fa57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2427",
    "kind": "arxiv",
    "version": 2
  }
}