Pith Number

pith:LSPOKB5H

pith:2013:LSPOKB5HX4HLRM3UAH63SWNF23

not attested not anchored not stored refs pending

Inhomogeneous viscous fluids in FRW universe and finite-future time singularities

Lorenzo Sebastiani, Ratbay Myrzakulov, Shynaray Myrzakul

arxiv:1311.6939 v2 · 2013-11-27 · 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{LSPOKB5HX4HLRM3UAH63SWNF23}

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	2026-05-18T01:32:43.906307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c9ee507a7bf0eb8b37401fdb959a5d6fe2895e0f5b26791609edf884e00666e

Aliases

arxiv: 1311.6939 · arxiv_version: 1311.6939v2 · doi: 10.48550/arxiv.1311.6939 · pith_short_12: LSPOKB5HX4HL · pith_short_16: LSPOKB5HX4HLRM3U · pith_short_8: LSPOKB5H

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/LSPOKB5HX4HLRM3UAH63SWNF23 \
  | 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: 5c9ee507a7bf0eb8b37401fdb959a5d6fe2895e0f5b26791609edf884e00666e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a76d5d224a65d430d26d904a975847278209e31ff6a9d8aa21756bdabad03346",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-11-27T11:37:27Z",
    "title_canon_sha256": "045fb8f1221b83f4efaa57030acdb3e11accbb8d050180b55a673a201985a04d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.6939",
    "kind": "arxiv",
    "version": 2
  }
}