Pith Number

pith:J7YFHSAT

pith:2013:J7YFHSATHA2H7VV3P3EDQHOTIJ

not attested not anchored not stored refs pending

Black hole dynamics in generic spacetimes

Helvi Witek

arxiv:1307.1145 v1 · 2013-07-03 · gr-qc · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J7YFHSATHA2H7VV3P3EDQHOTIJ}

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	2026-05-18T03:19:14.594558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ff053c81338347fd6bb7ec8381dd342714575cad0926328303e2832cffca159

Aliases

arxiv: 1307.1145 · arxiv_version: 1307.1145v1 · doi: 10.48550/arxiv.1307.1145 · pith_short_12: J7YFHSATHA2H · pith_short_16: J7YFHSATHA2H7VV3 · pith_short_8: J7YFHSAT

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/J7YFHSATHA2H7VV3P3EDQHOTIJ \
  | 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: 4ff053c81338347fd6bb7ec8381dd342714575cad0926328303e2832cffca159

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1fbe71bb307c47c46d2b42d50a7928a759dc43217b1e512801974a234c24987",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-07-03T20:16:52Z",
    "title_canon_sha256": "8771f26db966b18c63b124a10a7d28296fd050bfabdcacd8a797184481a6a74b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1145",
    "kind": "arxiv",
    "version": 1
  }
}