Pith Number

pith:VRAXU4WN

pith:2013:VRAXU4WNHSBFUINTTUYHKRKJLG

not attested not anchored not stored refs pending

On the Origin of the 6.4 keV Line in the Galactic Center Region

A. M. Kiselev, D. O. Chernyshov, K.-S. Cheng, V. A. Dogiel

arxiv:1310.8177 v1 · 2013-10-30 · astro-ph.GA · 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{VRAXU4WNHSBFUINTTUYHKRKJLG}

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	2026-05-18T01:46:47.241465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac417a72cd3c825a21b39d3075454959b8b012ddf0a8fe88299ca170c8a6a128

Aliases

arxiv: 1310.8177 · arxiv_version: 1310.8177v1 · doi: 10.48550/arxiv.1310.8177 · pith_short_12: VRAXU4WNHSBF · pith_short_16: VRAXU4WNHSBFUINT · pith_short_8: VRAXU4WN

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/VRAXU4WNHSBFUINTTUYHKRKJLG \
  | 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: ac417a72cd3c825a21b39d3075454959b8b012ddf0a8fe88299ca170c8a6a128

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cb9dd922d7bae3f620c945bcbd7cb9c291709d8b1816e4d7dfe35d70c7778ac",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-10-30T14:48:58Z",
    "title_canon_sha256": "1cfd1bf5c8210e27fee06e0f3e9c56de49c1870fc19feeb033b4f57425c06dad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.8177",
    "kind": "arxiv",
    "version": 1
  }
}