Pith Number

pith:4MRLHQOW

pith:2012:4MRLHQOW57OEKHD2IYNABB33LI

not attested not anchored not stored refs pending

XMM-Newton observations of GX 13+1: correlation between photoionised absorption and broad line emission

(2) INAF-IASF Milano, (3) Observatoire Astronomique de Strasbourg, (4) ESA, A. Parmar (4) ((1) ESO, France, Garching bei M\"unchen, Germany, Italy, L. Boirin (3), L. Sidoli (2), Madrid, M. Diaz Trigo (1), Spain)

arxiv:1204.5904 v1 · 2012-04-26 · 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{4MRLHQOW57OEKHD2IYNABB33LI}

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	2026-05-18T01:57:43.863356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e322b3c1d6efdc451c7a461a00877b5a3b31e5e1c30829bac705e9ae12e5974b

Aliases

arxiv: 1204.5904 · arxiv_version: 1204.5904v1 · doi: 10.48550/arxiv.1204.5904 · pith_short_12: 4MRLHQOW57OE · pith_short_16: 4MRLHQOW57OEKHD2 · pith_short_8: 4MRLHQOW

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/4MRLHQOW57OEKHD2IYNABB33LI \
  | 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: e322b3c1d6efdc451c7a461a00877b5a3b31e5e1c30829bac705e9ae12e5974b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c9d17a884686d4192deb54b7a4a7ea988b1672611054a82aa68ba2b76a2eaf1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-04-26T12:43:25Z",
    "title_canon_sha256": "57335f6f190e792db93c6bfbfdce7d0a0c14167aa8428d3f9b13dc1776b92e5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5904",
    "kind": "arxiv",
    "version": 1
  }
}