Pith Number

pith:JN6CXZGB

pith:2017:JN6CXZGB6XT7SZOWNZ73UVEFPA

not attested not anchored not stored refs pending

The null-geodesic flow near horizons

Oran Gannot

arxiv:1701.00555 v3 · 2017-01-03 · gr-qc · math.AP · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JN6CXZGB6XT7SZOWNZ73UVEFPA}

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	2026-05-18T00:08:36.660307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b7c2be4c1f5e7f965d66e7fba5485782118ecac80ea832aa980669f1099c1df

Aliases

arxiv: 1701.00555 · arxiv_version: 1701.00555v3 · doi: 10.48550/arxiv.1701.00555 · pith_short_12: JN6CXZGB6XT7 · pith_short_16: JN6CXZGB6XT7SZOW · pith_short_8: JN6CXZGB

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/JN6CXZGB6XT7SZOWNZ73UVEFPA \
  | 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: 4b7c2be4c1f5e7f965d66e7fba5485782118ecac80ea832aa980669f1099c1df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb6faa12c0a28c1d26502e888a9b35db076172704a7919b1d316468322682072",
    "cross_cats_sorted": [
      "math.AP",
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-01-03T00:06:21Z",
    "title_canon_sha256": "5a3afcf41bd8a6caef204eb653a3e31c20908ab755ed28ee5ee3c9c48080d393"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00555",
    "kind": "arxiv",
    "version": 3
  }
}