Pith Number

pith:ZCI4HVKM

pith:2015:ZCI4HVKMKWWSFV2GKOE6NZXLUG

not attested not anchored not stored refs pending

Non-linear curvature inhomogeneities and backreaction for relativistic viscous fluids

Massimo Giovannini

arxiv:1503.08739 v2 · 2015-03-30 · hep-th · astro-ph.CO · gr-qc · hep-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{ZCI4HVKMKWWSFV2GKOE6NZXLUG}

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	2026-05-18T01:35:48.734520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c891c3d54c55ad22d7465389e6e6eba18244a99bc7753dd842df1fc085d6b480

Aliases

arxiv: 1503.08739 · arxiv_version: 1503.08739v2 · doi: 10.48550/arxiv.1503.08739 · pith_short_12: ZCI4HVKMKWWS · pith_short_16: ZCI4HVKMKWWSFV2G · pith_short_8: ZCI4HVKM

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/ZCI4HVKMKWWSFV2GKOE6NZXLUG \
  | 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: c891c3d54c55ad22d7465389e6e6eba18244a99bc7753dd842df1fc085d6b480

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae58b2f2b9f4d08849cf6aeca64e414eca78e4d99fb0918525ae6fe1dd8a2f30",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-03-30T16:46:19Z",
    "title_canon_sha256": "777c6c7047f542dc543955fa3688654282239ab9f8dd28d235ae2819d5d246ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08739",
    "kind": "arxiv",
    "version": 2
  }
}