Pith Number

pith:KVONNFQY

pith:2019:KVONNFQYV3QLTMFOKPKOW7JL66

not attested not anchored not stored refs pending

NICER Discovers Spectral Lines During Photospheric Radius Expansion Bursts from 4U 1820-30: Evidence for Burst-driven Winds

A. C. Fabian, C. Malacaria, D. Altamirano, D. Chakrabarty, G. K. Jaisawal, J. Chenevez, J. J. M. in 't Zand, J. M. Miller, K. C. Gendreau, L. Keek, P. Kosec, P. M. Bult, R. M. Ludlam, S. Guillot, S. Mahmoodifar, T. E. Strohmayer, Z. Arzoumanian

arxiv:1906.00974 v1 · 2019-06-03 · 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{KVONNFQYV3QLTMFOKPKOW7JL66}

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	2026-05-17T23:43:00.011047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

555cd69618aee0b9b0ae53d4eb7d2bf79f2e528197fd900a5052367b97121b18

Aliases

arxiv: 1906.00974 · arxiv_version: 1906.00974v1 · doi: 10.48550/arxiv.1906.00974 · pith_short_12: KVONNFQYV3QL · pith_short_16: KVONNFQYV3QLTMFO · pith_short_8: KVONNFQY

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/KVONNFQYV3QLTMFOKPKOW7JL66 \
  | 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: 555cd69618aee0b9b0ae53d4eb7d2bf79f2e528197fd900a5052367b97121b18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa2cfe992d139684d5abcf133d1da461e1eb1bd20782a6eb9dcd3d978cbe4c09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-06-03T18:00:01Z",
    "title_canon_sha256": "b6a03105444fb1cc601ec1f8fc270cada76773da6f8657f670dba639fcd7770b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.00974",
    "kind": "arxiv",
    "version": 1
  }
}