Pith Number

pith:GCGX4ZSA

pith:2014:GCGX4ZSACDTJSMGW7A2R2BTNW5

not attested not anchored not stored refs pending

A New Approach to Cosmological Bulk Viscosity

Marcelo M. Disconzi, Robert J. Scherrer, Thomas W. Kephart

arxiv:1409.4918 v2 · 2014-09-17 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GCGX4ZSACDTJSMGW7A2R2BTNW5}

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	2026-05-18T01:17:33.352069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

308d7e664010e69930d6f8351d066db76c07170aa6101b3f5934dcd7cc57d762

Aliases

arxiv: 1409.4918 · arxiv_version: 1409.4918v2 · doi: 10.48550/arxiv.1409.4918 · pith_short_12: GCGX4ZSACDTJ · pith_short_16: GCGX4ZSACDTJSMGW · pith_short_8: GCGX4ZSA

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/GCGX4ZSACDTJSMGW7A2R2BTNW5 \
  | 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: 308d7e664010e69930d6f8351d066db76c07170aa6101b3f5934dcd7cc57d762

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc5d334c407030875f8b4c541972b43e00f389c6e9cfac4a10fc10052a7c39d6",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-09-17T09:33:53Z",
    "title_canon_sha256": "b76f336b35bc8625164226c7fa88f23788fe8c427d6361b4e14afcdb1651d62d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4918",
    "kind": "arxiv",
    "version": 2
  }
}