Pith Number

pith:BYFGTQPE

pith:2018:BYFGTQPE6QU7ORHMCVIAYNLRUP

not attested not anchored not stored refs pending

Compact objects and the swampland

Carlos A. R. Herdeiro, Eugen Radu, Kunihito Uzawa

arxiv:1811.10844 v2 · 2018-11-27 · hep-th · astro-ph.CO · 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{BYFGTQPE6QU7ORHMCVIAYNLRUP}

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	2026-05-17T23:54:58.671431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e0a69c1e4f429f744ec15500c3571a3cd2d0f3ae44b465edd51333b364bb632

Aliases

arxiv: 1811.10844 · arxiv_version: 1811.10844v2 · doi: 10.48550/arxiv.1811.10844 · pith_short_12: BYFGTQPE6QU7 · pith_short_16: BYFGTQPE6QU7ORHM · pith_short_8: BYFGTQPE

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/BYFGTQPE6QU7ORHMCVIAYNLRUP \
  | 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: 0e0a69c1e4f429f744ec15500c3571a3cd2d0f3ae44b465edd51333b364bb632

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67e838a99ca91ed2b0e809b1523cfbb55fdd70517245a5194dec139ef7bfb200",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-11-27T07:11:15Z",
    "title_canon_sha256": "2c83c346a7ba408ad41b0d34e9689819ee5f6f5ad828adafdd21b850d6a41754"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.10844",
    "kind": "arxiv",
    "version": 2
  }
}