Pith Number

pith:BCPQXHSQ

pith:2024:BCPQXHSQ2ZY6C3BEP5H5PBNX4X

not attested not anchored not stored refs pending

Were you born in an aborted primordial black hole?

Albert Escriv\`a, Cristian Joana, Emilie Despontin, Sebastien Clesse

arxiv:2401.09408 v2 · 2024-01-17 · 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{BCPQXHSQ2ZY6C3BEP5H5PBNX4X}

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	2026-07-05T09:37:06.401969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

089f0b9e50d671e16c247f4fd785b7e5e21cd92d13c575a6b6230b863d61508d

Aliases

arxiv: 2401.09408 · arxiv_version: 2401.09408v2 · doi: 10.48550/arxiv.2401.09408 · pith_short_12: BCPQXHSQ2ZY6 · pith_short_16: BCPQXHSQ2ZY6C3BE · pith_short_8: BCPQXHSQ

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/BCPQXHSQ2ZY6C3BEP5H5PBNX4X \
  | 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: 089f0b9e50d671e16c247f4fd785b7e5e21cd92d13c575a6b6230b863d61508d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7e46249adef2b1c70cf59c3d1f0b567f66e1495e4c995bf9a72af7e8a2ad2c7",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2024-01-17T18:46:24Z",
    "title_canon_sha256": "d934fa3e37e1f1c1406c4d1159181ef05c32f0caf6d3573d9dc5308989a2362b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.09408",
    "kind": "arxiv",
    "version": 2
  }
}