Pith Number

pith:UVF3F2XP

pith:2018:UVF3F2XP6UZDA62IXIY4I44GZR

not attested not anchored not stored refs pending

Parameterizing Dark Energy Models and Study of Finite Time Future Singularities

Tanwi Bandyopadhyay, Ujjal Debnath

arxiv:1811.03003 v2 · 2018-11-05 · gr-qc · 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{UVF3F2XP6UZDA62IXIY4I44GZR}

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	2026-05-17T23:50:33.646840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a54bb2eaeff532307b48ba31c47386cc40d2bb66eeeba68543ae4518c70bad6f

Aliases

arxiv: 1811.03003 · arxiv_version: 1811.03003v2 · doi: 10.48550/arxiv.1811.03003 · pith_short_12: UVF3F2XP6UZD · pith_short_16: UVF3F2XP6UZDA62I · pith_short_8: UVF3F2XP

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/UVF3F2XP6UZDA62IXIY4I44GZR \
  | 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: a54bb2eaeff532307b48ba31c47386cc40d2bb66eeeba68543ae4518c70bad6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d81abafe87cbc81ae316d6617afa8b6b4bc885548a828292ad50f87da8ada31c",
    "cross_cats_sorted": [
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-11-05T05:28:29Z",
    "title_canon_sha256": "d844b6ee578b20b184ce69643cab930af0342c59a01f6078ddb61aaa1bca61cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.03003",
    "kind": "arxiv",
    "version": 2
  }
}