Pith Number

pith:BLVTY77Q

pith:2009:BLVTY77QFKUOBUKK75XNELRGIO

not attested not anchored not stored refs pending

Soft gamma-ray constraints on a bright flare from the Galactic Center supermassive black hole

A. Goldwurm, D. Porquet, E. Pantin, F. Melia, F. Yusef-Zadeh, G. Belanger, G. Trap, K. Dodds-Eden, N. Grosso, P. Ferrando, P.O. Lagage, R. Genzel, R. Terrier, S. Gillessen

arxiv:0910.0399 v1 · 2009-10-02 · 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{BLVTY77QFKUOBUKK75XNELRGIO}

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	2026-05-18T02:34:20.355881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0aeb3c7ff02aa8e0d14aff6ed22e2643aad63c7602081aee8d28773d3a2a2e1b

Aliases

arxiv: 0910.0399 · arxiv_version: 0910.0399v1 · doi: 10.48550/arxiv.0910.0399 · pith_short_12: BLVTY77QFKUO · pith_short_16: BLVTY77QFKUOBUKK · pith_short_8: BLVTY77Q

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/BLVTY77QFKUOBUKK75XNELRGIO \
  | 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: 0aeb3c7ff02aa8e0d14aff6ed22e2643aad63c7602081aee8d28773d3a2a2e1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41fc1a5100571d4104bf57938e499a3167db087f3568d8f9eb23c2202131cd5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-10-02T13:51:26Z",
    "title_canon_sha256": "5244de06c411e69e1de91d79eb5d9026d228caab66e77d7053e062c5e41a3718"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0399",
    "kind": "arxiv",
    "version": 1
  }
}