Pith Number

pith:O6F3VIGZ

pith:2012:O6F3VIGZ6D5352IXWRE2N5JHXM

not attested not anchored not stored refs pending

Consistent perturbations in an imperfect fluid

Ignacy Sawicki (ITP, Ippocratis D. Saltas (Nottingham U., Luca Amendola (ITP, Martin Kunz (Geneva U.), Sussex U.), U. Heidelberg)

arxiv:1208.4855 v2 · 2012-08-23 · astro-ph.CO · gr-qc · 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{O6F3VIGZ6D5352IXWRE2N5JHXM}

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

Nonlinear Relativistic Effects on Cosmological Redshift Drift

Receipt and verification

First computed	2026-05-18T03:37:27.610449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

778bbaa0d9f0fbbee917b449a6f527bb1f1e5957a6309799bc2e0efb36949486

Aliases

arxiv: 1208.4855 · arxiv_version: 1208.4855v2 · doi: 10.48550/arxiv.1208.4855 · pith_short_12: O6F3VIGZ6D53 · pith_short_16: O6F3VIGZ6D5352IX · pith_short_8: O6F3VIGZ

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/O6F3VIGZ6D5352IXWRE2N5JHXM \
  | 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: 778bbaa0d9f0fbbee917b449a6f527bb1f1e5957a6309799bc2e0efb36949486

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "251387c80a85d54b85da3bca994b2b124056ff88377e7cd21fe2e6537b993ed3",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-08-23T20:05:10Z",
    "title_canon_sha256": "c485806fdc1d75bd682cef555fee1ae5fd65fc2762a259cc7d60d4ea887cdb37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4855",
    "kind": "arxiv",
    "version": 2
  }
}