Pith Number

pith:IZHHHD27

pith:2013:IZHHHD27MBYQZLD4ZN5AHXEUK3

not attested not anchored not stored refs pending

An Environmental Study of the Ultraluminous X-ray Source Population in Early-type Galaxies

Brendan P. Miller, Elena Gallo, Jong-Hak Woo, Richard M. Plotkin, Tommaso Treu, Vivienne F. Baldassare

arxiv:1311.4544 v1 · 2013-11-18 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IZHHHD27MBYQZLD4ZN5AHXEUK3}

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	2026-05-18T01:46:23.400827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

464e738f5f60710cac7ccb7a03dc9456f5c9b362476803dd1fdd35ea4a6c1837

Aliases

arxiv: 1311.4544 · arxiv_version: 1311.4544v1 · doi: 10.48550/arxiv.1311.4544 · pith_short_12: IZHHHD27MBYQ · pith_short_16: IZHHHD27MBYQZLD4 · pith_short_8: IZHHHD27

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/IZHHHD27MBYQZLD4ZN5AHXEUK3 \
  | 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: 464e738f5f60710cac7ccb7a03dc9456f5c9b362476803dd1fdd35ea4a6c1837

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40c2e5da89bb656809166a35e2df9cd3cfecb16feb8e577d7035f5ab76b8d5ea",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-11-18T21:00:03Z",
    "title_canon_sha256": "2622b2a4cf0124a7c1b36cbbe5dd3eaedf52417033f6dd2fc0d209c8efd43113"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4544",
    "kind": "arxiv",
    "version": 1
  }
}