Pith Number

pith:EL7ZPKSJ

pith:2013:EL7ZPKSJK4UD567VXUZ26JEYEK

not attested not anchored not stored refs pending

Neutron star high mass binaries as the origin of SGR/AXP

Hsiang-Kuang Chang, Jing Wang

arxiv:1307.5391 v3 · 2013-07-20 · 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{EL7ZPKSJK4UD567VXUZ26JEYEK}

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	2026-05-18T02:31:48.211033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22ff97aa4957283efbf5bd33af249822b5c9eb9e45b6428293cd4b34cab738b0

Aliases

arxiv: 1307.5391 · arxiv_version: 1307.5391v3 · doi: 10.48550/arxiv.1307.5391 · pith_short_12: EL7ZPKSJK4UD · pith_short_16: EL7ZPKSJK4UD567V · pith_short_8: EL7ZPKSJ

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/EL7ZPKSJK4UD567VXUZ26JEYEK \
  | 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: 22ff97aa4957283efbf5bd33af249822b5c9eb9e45b6428293cd4b34cab738b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2feb41265617117dd5a316920136f068dd3d5cbb742c9adb302930ea3b982bac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-07-20T09:00:34Z",
    "title_canon_sha256": "9916265ccba869f74048b3364c7dbc404f7d5ca9c649d7b85f1c0e5e27d67be3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5391",
    "kind": "arxiv",
    "version": 3
  }
}