Pith Number

pith:6JB2EGOU

pith:2013:6JB2EGOU77MSW4GFA7WKNVFHQD

not attested not anchored not stored refs pending

Daily, multiwavelength Swift monitoring of the neutron star low-mass X-ray binary Cen X-4: evidence for accretion and reprocessing during quiescence

C. D'Angelo, E.F. Brown, E.M. Cackett, F. Bernardini, J.M.Miller, M.Reynolds, N. Degenaar, R. Wijnands

arxiv:1307.2492 v3 · 2013-07-09 · 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{6JB2EGOU77MSW4GFA7WKNVFHQD}

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	2026-05-18T01:48:52.854983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f243a219d4ffd92b70c507eca6d4a780ed44a896fcb712736ab9784635b32cc1

Aliases

arxiv: 1307.2492 · arxiv_version: 1307.2492v3 · doi: 10.48550/arxiv.1307.2492 · pith_short_12: 6JB2EGOU77MS · pith_short_16: 6JB2EGOU77MSW4GF · pith_short_8: 6JB2EGOU

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/6JB2EGOU77MSW4GFA7WKNVFHQD \
  | 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: f243a219d4ffd92b70c507eca6d4a780ed44a896fcb712736ab9784635b32cc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a919a5dfad7b34d6461807a981015d0f594d5c15d70056f4b533ba1ddef75b30",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-07-09T15:23:13Z",
    "title_canon_sha256": "e3a2d1d8245638125d04a68fe1c86a7e3bcb55518c5199296f7c4a72173aa2a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.2492",
    "kind": "arxiv",
    "version": 3
  }
}