Pith Number

pith:PYICDSDW

pith:2016:PYICDSDWPNTR3FTAAAYG3DB3SQ

not attested not anchored not stored refs pending

A study of phantom scalar field cosmology using Lie and Noether symmetries

Sourav Dutta, Subenoy Chakraborty

arxiv:1601.05795 v2 · 2016-01-21 · 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{PYICDSDWPNTR3FTAAAYG3DB3SQ}

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	2026-05-18T01:16:14.622850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e1021c8767b671d966000306d8c3b943c1c03ec68c0f1b5ab5d932a0390cfc6

Aliases

arxiv: 1601.05795 · arxiv_version: 1601.05795v2 · doi: 10.48550/arxiv.1601.05795 · pith_short_12: PYICDSDWPNTR · pith_short_16: PYICDSDWPNTR3FTA · pith_short_8: PYICDSDW

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/PYICDSDWPNTR3FTAAAYG3DB3SQ \
  | 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: 7e1021c8767b671d966000306d8c3b943c1c03ec68c0f1b5ab5d932a0390cfc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b7c9b6fcd048fb239f48ac0737d31e7933262a08a1ccafcf0e4887e4fc675b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-01-21T10:41:05Z",
    "title_canon_sha256": "1b03c93669ef993baa93d19a50ac0d6f915098d7d07ba3f328b223f3189fb769"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.05795",
    "kind": "arxiv",
    "version": 2
  }
}