Pith Number

pith:K44PQVME

pith:2009:K44PQVMELWNAY5XEEJFEYRPSYI

not attested not anchored not stored refs pending

Quantum Lightcone Fluctuations in Compactified Spacetimes

Hongwei Yu, L.H. Ford, N.F. Svaiter

arxiv:0904.1087 v1 · 2009-04-07 · gr-qc · hep-th · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K44PQVMELWNAY5XEEJFEYRPSYI}

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.

Cited by

1 paper in Pith

Analog model for Euclidean wormholes: Bose-Einstein condensate with dirty surfaces

Receipt and verification

First computed	2026-07-04T17:18:18.972823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5738f855845d9a0c76e4224a4c45f2c20c061d07d9af04a3fa41ca67341ed86c

Aliases

arxiv: 0904.1087 · arxiv_version: 0904.1087v1 · doi: 10.48550/arxiv.0904.1087 · pith_short_12: K44PQVMELWNA · pith_short_16: K44PQVMELWNAY5XE · pith_short_8: K44PQVME

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/K44PQVMELWNAY5XEEJFEYRPSYI \
  | 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: 5738f855845d9a0c76e4224a4c45f2c20c061d07d9af04a3fa41ca67341ed86c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b771d6db4cc8694c008722d9539c091f10211dd74b6b388d9bcb7bc53fb71559",
    "cross_cats_sorted": [
      "hep-th",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-04-07T09:18:10Z",
    "title_canon_sha256": "522f90b636ea4f61c3ba6bae59d07a4963bf50834efd1dcb672d2d6ada1f1531"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1087",
    "kind": "arxiv",
    "version": 1
  }
}