Pith Number

pith:K4664JEE

pith:2012:K4664JEEI3WPJ7SCHURJ5NLXVS

not attested not anchored not stored refs pending

Tests of General Relativity in the Strong Gravity Regime Based on X-Ray Spectropolarimetric Observations of Black Holes in X-Ray Binaries

Henric Krawczynski (Washington University in St. Louis)

arxiv:1205.7063 v1 · 2012-05-31 · gr-qc · 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{K4664JEEI3WPJ7SCHURJ5NLXVS}

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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.

Cited by

1 paper in Pith

Black Hole Ringdown Seen in Photon Polarization Swings

Receipt and verification

First computed	2026-05-18T01:57:09.223027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

573dee248446ecf4fe423d229eb577ac9a91c7fae9ab4381ee50aed74cc9828f

Aliases

arxiv: 1205.7063 · arxiv_version: 1205.7063v1 · doi: 10.48550/arxiv.1205.7063 · pith_short_12: K4664JEEI3WP · pith_short_16: K4664JEEI3WPJ7SC · pith_short_8: K4664JEE

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/K4664JEEI3WPJ7SCHURJ5NLXVS \
  | 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: 573dee248446ecf4fe423d229eb577ac9a91c7fae9ab4381ee50aed74cc9828f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd451b3f58986fcf93aa82c396bf8235e62d106a7c97f3d8a6a292344e6567f9",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-05-31T18:36:12Z",
    "title_canon_sha256": "db8b60763b27607e38fab02487e0af3e5b9ec046231e746e159796ef182bc04b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.7063",
    "kind": "arxiv",
    "version": 1
  }
}