Pith Number

pith:HSFSJL6D

pith:2019:HSFSJL6DGSH6ZSGFUKVAGSLQY2

not attested not anchored not stored refs pending

Approaching the black hole by numerical simulations

Christian Fendt

arxiv:1907.12789 v1 · 2019-07-30 · 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{HSFSJL6DGSH6ZSGFUKVAGSLQY2}

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	2026-07-04T23:50:24.447794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c8b24afc3348fecc8c5a2aa034970c6a9c556f9e9cdcef80b8a0cd0a661a11e

Aliases

arxiv: 1907.12789 · arxiv_version: 1907.12789v1 · doi: 10.48550/arxiv.1907.12789 · pith_short_12: HSFSJL6DGSH6 · pith_short_16: HSFSJL6DGSH6ZSGF · pith_short_8: HSFSJL6D

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/HSFSJL6DGSH6ZSGFUKVAGSLQY2 \
  | 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: 3c8b24afc3348fecc8c5a2aa034970c6a9c556f9e9cdcef80b8a0cd0a661a11e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "282632ca203f5336bb838f8112e62dc8e18aebef76da7eeb687c6175388c08d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-07-30T09:05:34Z",
    "title_canon_sha256": "952949f061ff931bc64b8e2160d94df8a82d698456bf128658ef1d4097be14bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.12789",
    "kind": "arxiv",
    "version": 1
  }
}