Pith Number

pith:DI4HVUSO

pith:2011:DI4HVUSO3GWLMUW6FX5ULHYEBO

not attested not anchored not stored refs pending

Towards constraining the central black hole's properties by studying its infrared flares with the GRAVITY instrument

E. Gourgoulhon, F. Eisenhauer, F. H. Vincent, G. Perrin, S. Gillessen, T. Paumard

arxiv:1110.0746 v1 · 2011-10-04 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DI4HVUSO3GWLMUW6FX5ULHYEBO}

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	2026-05-18T04:11:41.103045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a387ad24ed9acb652de2dfb459f040bbc34c6b557cc5f8a33c5db9c5bf1b539

Aliases

arxiv: 1110.0746 · arxiv_version: 1110.0746v1 · doi: 10.48550/arxiv.1110.0746 · pith_short_12: DI4HVUSO3GWL · pith_short_16: DI4HVUSO3GWLMUW6 · pith_short_8: DI4HVUSO

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/DI4HVUSO3GWLMUW6FX5ULHYEBO \
  | 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: 1a387ad24ed9acb652de2dfb459f040bbc34c6b557cc5f8a33c5db9c5bf1b539

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7355f4bd0533e92e49251499d7ba77a09f48da88cd5b541fa4e70e0a1e24f6a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-10-04T16:28:40Z",
    "title_canon_sha256": "8df1ac68053255d2937b5ae8f82aed0c7c4142bb9fbac939c4c041b8f51f815c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0746",
    "kind": "arxiv",
    "version": 1
  }
}