Pith Number

pith:QTGDZDI7

pith:2013:QTGDZDI7RK7YZEBBND6UVTK6Q4

not attested not anchored not stored refs pending

NuSTAR observations of magnetar 1E 1841-045

Andrei M. Beloborodov, Brian W. Grefenstette, Charles J. Hailey, Chryssa Kouveliotou, Craig B. Markwardt, Daniel Stern, Eric V. Gotthelf, Finn E. Christensen, Fiona A. Harrison, Francois Dufour, Hongjun An, Julia K. Vogel, Kristin K. Madsen, Matteo Bachetti, Robert Archibald, Romain Hascoet, Steven E. Boggs, Takao Kitaguchi, Victoria M. Kaspi, William W. Craig, William W. Zhang

arxiv:1310.6221 v2 · 2013-10-23 · 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{QTGDZDI7RK7YZEBBND6UVTK6Q4}

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	2026-05-18T01:46:50.747001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84cc3c8d1f8abf8c902168fd4acd5e8717ed45b4ea14f2adc4d80d48a14dc1c7

Aliases

arxiv: 1310.6221 · arxiv_version: 1310.6221v2 · doi: 10.48550/arxiv.1310.6221 · pith_short_12: QTGDZDI7RK7Y · pith_short_16: QTGDZDI7RK7YZEBB · pith_short_8: QTGDZDI7

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/QTGDZDI7RK7YZEBBND6UVTK6Q4 \
  | 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: 84cc3c8d1f8abf8c902168fd4acd5e8717ed45b4ea14f2adc4d80d48a14dc1c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bff56808faecba15724db5fc77e7c6d55a119713463a623daef4e635a11bdedc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-10-23T13:37:21Z",
    "title_canon_sha256": "37019208c635e07cca95f7d9be384e6493c754606f5b206378e1fd716fac7db5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.6221",
    "kind": "arxiv",
    "version": 2
  }
}