Pith Number

pith:TIUDFG6S

pith:2011:TIUDFG6SXBXLEBUH3XDCI6SOOF

not attested not anchored not stored refs pending

Dark goo: Bulk viscosity as an alternative to dark energy

Jean-Sebastien Gagnon, Julien Lesgourgues

arxiv:1107.1503 v2 · 2011-07-07 · astro-ph.CO · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TIUDFG6SXBXLEBUH3XDCI6SOOF}

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

Ricci cosmology

Receipt and verification

First computed	2026-05-18T04:12:33.504841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a28329bd2b86eb20687ddc6247a4e714798bc9d3875de419f5a93ee0ddea65b

Aliases

arxiv: 1107.1503 · arxiv_version: 1107.1503v2 · doi: 10.48550/arxiv.1107.1503 · pith_short_12: TIUDFG6SXBXL · pith_short_16: TIUDFG6SXBXLEBUH · pith_short_8: TIUDFG6S

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/TIUDFG6SXBXLEBUH3XDCI6SOOF \
  | 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: 9a28329bd2b86eb20687ddc6247a4e714798bc9d3875de419f5a93ee0ddea65b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f14af964f240b9e00cfe3f86039e5d1a91401db1f886f3e966e0bd525d0a413",
    "cross_cats_sorted": [
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-07T20:04:33Z",
    "title_canon_sha256": "2df404b3f8f0939a5fab86c2fe6173559ce6a5d304e6e65e87161e144acc0d14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1503",
    "kind": "arxiv",
    "version": 2
  }
}