Pith Number

pith:BTQ52IXM

pith:2014:BTQ52IXMOQLTKIEG5OOM3SQIJB

not attested not anchored not stored refs pending

A Focused, Hard X-ray Look at Arp 299 with NuSTAR

A. Hornschemeier, A. Ptak, A. Zezas, B. Lehmer, C. J. Hailey, D. Stern, D. Wik, F. A. Harrison, F. E. Christensen, K. Bechtol, L. Ballo, M. K. Argo, M. Tatum, M. Yukita, R. Della Ceca, R. Krivonos, S. Boggs, T. J. Maccarone, T. Venters, V. Antoniou, W. W. Craig, W. W. Zhang

arxiv:1412.3120 v1 · 2014-12-09 · 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{BTQ52IXMOQLTKIEG5OOM3SQIJB}

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	2026-05-18T01:41:20.268343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ce1dd22ec7417352086eb9ccdca08485991fa982dec90c1d8d34c3e36023cdb

Aliases

arxiv: 1412.3120 · arxiv_version: 1412.3120v1 · doi: 10.48550/arxiv.1412.3120 · pith_short_12: BTQ52IXMOQLT · pith_short_16: BTQ52IXMOQLTKIEG · pith_short_8: BTQ52IXM

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/BTQ52IXMOQLTKIEG5OOM3SQIJB \
  | 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: 0ce1dd22ec7417352086eb9ccdca08485991fa982dec90c1d8d34c3e36023cdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f4280636ba1dccf42a8e46775fb03a3bb26cf34469a391941540cfb346742bf",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-12-09T21:05:53Z",
    "title_canon_sha256": "02117bc5b99d4f811141b8c66e624acfafb98d1e95d51adea79bc29a523bec46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.3120",
    "kind": "arxiv",
    "version": 1
  }
}