Pith Number

pith:SOU5LHFB

pith:2015:SOU5LHFBWZQIZXACIRJDU3L7NU

not attested not anchored not stored refs pending

Fifteen years of XMM-Newton and Chandra monitoring of Sgr A*: Evidence for a recent increase in the bright flaring rate

A. Goldwurm, A. Merloni, B. De Marco, D. Haggard, G. Ponti, J. Neilsen, K. Mori, K. Nandra, M. Clavel, M. R. Morris, N. Degenaar, N. Rea, R. Terrier, S. Gillessen, S. Zhang, T. Munoz-Darias

arxiv:1507.02690 v1 · 2015-07-09 · 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{SOU5LHFBWZQIZXACIRJDU3L7NU}

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	2026-05-18T01:30:23.717450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93a9d59ca1b6608cdc0244523a6d7f6d1e10e0f75ddc4f3ead00b98597f494ea

Aliases

arxiv: 1507.02690 · arxiv_version: 1507.02690v1 · doi: 10.48550/arxiv.1507.02690 · pith_short_12: SOU5LHFBWZQI · pith_short_16: SOU5LHFBWZQIZXAC · pith_short_8: SOU5LHFB

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/SOU5LHFBWZQIZXACIRJDU3L7NU \
  | 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: 93a9d59ca1b6608cdc0244523a6d7f6d1e10e0f75ddc4f3ead00b98597f494ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97b5d2955ec535f01ce63ce43f4349b3e28d12321a2a879ab1ff7d4bddde02de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-07-09T20:00:42Z",
    "title_canon_sha256": "e3ddf306e324d84b7492e48a446dd334b5ab2743763fccb0649e5f61e9c67e4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02690",
    "kind": "arxiv",
    "version": 1
  }
}