Pith Number

pith:3EVSSWYM

pith:2013:3EVSSWYMHHS22MGJPGUZLZ32Z7

not attested not anchored not stored refs pending

When Matter Matters

Alexander Vikman (CERN, Damien A. Easson (Arizona State U.), Ignacy Sawicki (U. Heidelberg, ITP), Stanford U.)

arxiv:1304.3903 v2 · 2013-04-14 · 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{3EVSSWYMHHS22MGJPGUZLZ32Z7}

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	2026-05-18T03:18:51.277084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d92b295b0c39e5ad30c979a995e77acfe479dba9024939920ac63e8fd35177a0

Aliases

arxiv: 1304.3903 · arxiv_version: 1304.3903v2 · doi: 10.48550/arxiv.1304.3903 · pith_short_12: 3EVSSWYMHHS2 · pith_short_16: 3EVSSWYMHHS22MGJ · pith_short_8: 3EVSSWYM

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/3EVSSWYMHHS22MGJPGUZLZ32Z7 \
  | 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: d92b295b0c39e5ad30c979a995e77acfe479dba9024939920ac63e8fd35177a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e40b81f7656d6cdf4a72194a40fc4f7e5651a97a6523f317a00bed363706b60b",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-04-14T10:58:54Z",
    "title_canon_sha256": "69af5a3d6064d01f94fc876a7b20ef91e068127b12ef7be60cf464354b773d83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3903",
    "kind": "arxiv",
    "version": 2
  }
}