Pith Number

pith:2YVYBCWN

pith:2004:2YVYBCWNDDB75BM4EENBASEYV7

not attested not anchored not stored refs pending

Patch cosmology and noncommutative braneworlds

Gianluca Calcagni

arxiv:hep-th/0410015 v2 · 2004-10-01 · hep-th · astro-ph · 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{2YVYBCWNDDB75BM4EENBASEYV7}

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	2026-07-04T14:32:18.789349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d62b808acd18c3fe859c211a104898afce9c4f2a1f0172d2dea36408ad4ca6bc

Aliases

arxiv: hep-th/0410015 · arxiv_version: hep-th/0410015v2 · doi: 10.48550/arxiv.hep-th/0410015 · pith_short_12: 2YVYBCWNDDB7 · pith_short_16: 2YVYBCWNDDB75BM4 · pith_short_8: 2YVYBCWN

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/2YVYBCWNDDB75BM4EENBASEYV7 \
  | 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: d62b808acd18c3fe859c211a104898afce9c4f2a1f0172d2dea36408ad4ca6bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5ef9ff5cc910060d5ba5446322c566f07dad0123537466bdaca71ba1c52be98",
    "cross_cats_sorted": [
      "astro-ph",
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2004-10-01T17:32:52Z",
    "title_canon_sha256": "e3f8f58491bcdcd0a006c1c50b3de792de08b77923bab45c5e8e871e4a2e3a5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0410015",
    "kind": "arxiv",
    "version": 2
  }
}