Pith Number

pith:XD63WLGC

pith:2014:XD63WLGCFLJ5ZOJWPVF7TRZTV2

not attested not anchored not stored refs pending

Variable Chaplygin Gas: Constraints from Supernovae, BAO, Look Back Time, and GRBs

Bhuvan Aggarwal, Geetanjali Sethi, Shruti Thakur

arxiv:1409.8521 v3 · 2014-09-30 · 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{XD63WLGCFLJ5ZOJWPVF7TRZTV2}

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	2026-05-17T23:44:43.751079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8fdbb2cc22ad3dcb9367d4bf9c733ae8345f9830b82123d099a0873e8748715

Aliases

arxiv: 1409.8521 · arxiv_version: 1409.8521v3 · doi: 10.48550/arxiv.1409.8521 · pith_short_12: XD63WLGCFLJ5 · pith_short_16: XD63WLGCFLJ5ZOJW · pith_short_8: XD63WLGC

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/XD63WLGCFLJ5ZOJWPVF7TRZTV2 \
  | 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: b8fdbb2cc22ad3dcb9367d4bf9c733ae8345f9830b82123d099a0873e8748715

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73b6957afec59a3e2b315900a3dba14dcf43003abd142532e0eae6cadf45c5da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-09-30T12:35:55Z",
    "title_canon_sha256": "6290aa47508395df1d1ab4aa9236d7e3029e602a026dccaa3fb70a460f8df5f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.8521",
    "kind": "arxiv",
    "version": 3
  }
}