Pith Number

pith:FKNDXYJP

pith:2016:FKNDXYJPSRWAAN6EYS27B2ODZP

not attested not anchored not stored refs pending

Black hole formation from axion stars

David J. E. Marsh, Eugene A. Lim, Katy Clough, Malcolm Fairbairn, Ricardo Becerril, Thomas Helfer

arxiv:1609.04724 v3 · 2016-09-15 · astro-ph.CO · gr-qc · 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{FKNDXYJPSRWAAN6EYS27B2ODZP}

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	2026-05-18T00:47:10.657972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a9a3be12f946c0037c4c4b5f0e9c3cbd193bc764353b7b56dc7ad7d70a189e0

Aliases

arxiv: 1609.04724 · arxiv_version: 1609.04724v3 · doi: 10.48550/arxiv.1609.04724 · pith_short_12: FKNDXYJPSRWA · pith_short_16: FKNDXYJPSRWAAN6E · pith_short_8: FKNDXYJP

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/FKNDXYJPSRWAAN6EYS27B2ODZP \
  | 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: 2a9a3be12f946c0037c4c4b5f0e9c3cbd193bc764353b7b56dc7ad7d70a189e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9430e5b2d48f20d3499ffcd26f351262bdd20e46f02841a8fc18acd3d77c28f",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-09-15T16:30:09Z",
    "title_canon_sha256": "65cb569867a635a67a682a4020bbb8923d53bad0345c5ed94bbd63f04f0f71f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.04724",
    "kind": "arxiv",
    "version": 3
  }
}