Pith Number

pith:DUADPTPB

pith:2024:DUADPTPBKIH35YE5I4YH4SGLEH

not attested not anchored not stored refs pending

NICER Spectral and Timing Analysis of 4U 1630$-$47 and its Heartbeat State

Cosimo Bambi, Erin Kara, James F. Steiner, Ningyue Fan, Ole K\"onig, Yuexin Zhang

arxiv:2412.07621 v2 · 2024-12-10 · 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{DUADPTPBKIH35YE5I4YH4SGLEH}

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	2026-07-05T10:52:16.930379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d0037cde1520fbee09d47307e48cb21dc107a5db21c8c58eab1e19e1c4f3a78

Aliases

arxiv: 2412.07621 · arxiv_version: 2412.07621v2 · doi: 10.48550/arxiv.2412.07621 · pith_short_12: DUADPTPBKIH3 · pith_short_16: DUADPTPBKIH35YE5 · pith_short_8: DUADPTPB

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/DUADPTPBKIH35YE5I4YH4SGLEH \
  | 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: 1d0037cde1520fbee09d47307e48cb21dc107a5db21c8c58eab1e19e1c4f3a78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9164466b80c966547443ce89101acdb6ce483920630e37bfa3860ca411679cd2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2024-12-10T15:57:38Z",
    "title_canon_sha256": "12d29a9e793083438b23dd634b7a35ce3924de26d7ae95ea83b4dfdcff2dd4c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.07621",
    "kind": "arxiv",
    "version": 2
  }
}