Pith Number

pith:WOMWJT3P

pith:2013:WOMWJT3PDDDK3Y2SLXEO6AXF5Q

not attested not anchored not stored refs pending

The Black Hole Particle Accelerator as a Machine to make Baby Universes

A. J. S. Hamilton

arxiv:1305.4524 v1 · 2013-05-20 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WOMWJT3PDDDK3Y2SLXEO6AXF5Q}

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	2026-05-18T03:25:23.469724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b39964cf6f18c6ade3525dc8ef02e5ec207fba03e564a80d4c01f17a5e2d4d68

Aliases

arxiv: 1305.4524 · arxiv_version: 1305.4524v1 · doi: 10.48550/arxiv.1305.4524 · pith_short_12: WOMWJT3PDDDK · pith_short_16: WOMWJT3PDDDK3Y2S · pith_short_8: WOMWJT3P

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/WOMWJT3PDDDK3Y2SLXEO6AXF5Q \
  | 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: b39964cf6f18c6ade3525dc8ef02e5ec207fba03e564a80d4c01f17a5e2d4d68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "510c64f4e43f3882ed05172a7e9896943d47cb70e313f5ed7a308e5f2f260c82",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-05-20T13:25:36Z",
    "title_canon_sha256": "161ebb449a63532c646852be3697137b860394e1977b4b0907e5107eb453e5ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4524",
    "kind": "arxiv",
    "version": 1
  }
}