Pith Number

pith:NMPOPBPI

pith:2011:NMPOPBPIHLE6SXSIROZA2H7CDY

not attested not anchored not stored refs pending

Quintessence Ghost Dark Energy Model

Ahamd Sheykhi, Ali Bagheri

arxiv:1104.5271 v2 · 2011-04-26 · physics.gen-ph · 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{NMPOPBPIHLE6SXSIROZA2H7CDY}

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	2026-05-18T04:09:44.215182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b1ee785e83ac9e95e488bb20d1fe21e063922a1a519bbd02db97922b7161069

Aliases

arxiv: 1104.5271 · arxiv_version: 1104.5271v2 · doi: 10.48550/arxiv.1104.5271 · pith_short_12: NMPOPBPIHLE6 · pith_short_16: NMPOPBPIHLE6SXSI · pith_short_8: NMPOPBPI

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/NMPOPBPIHLE6SXSIROZA2H7CDY \
  | 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: 6b1ee785e83ac9e95e488bb20d1fe21e063922a1a519bbd02db97922b7161069

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65e976ff18c31addb6d1859e8bacc5a5a95c6cba68fef8a8f2fabb24e5832ff0",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2011-04-26T12:19:32Z",
    "title_canon_sha256": "8ba76c7a9b4e7784ef749471f4838aa64ca2552f1620dd1ad7ff64f8e63bd539"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.5271",
    "kind": "arxiv",
    "version": 2
  }
}