Pith Number

pith:4QXBUXKG

pith:2010:4QXBUXKGR2VUEMGUVXRYRXZHVA

not attested not anchored not stored refs pending

Interacting new agegraphic viscous dark energy with varying $G$

A. Sheykhi, M. R. Setare

arxiv:1003.1109 v2 · 2010-03-04 · 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{4QXBUXKGR2VUEMGUVXRYRXZHVA}

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	2026-05-18T02:08:46.233145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e42e1a5d468eab4230d4ade388df27a817ee6818b9dd8d0153b19960a68b9c08

Aliases

arxiv: 1003.1109 · arxiv_version: 1003.1109v2 · doi: 10.48550/arxiv.1003.1109 · pith_short_12: 4QXBUXKGR2VU · pith_short_16: 4QXBUXKGR2VUEMGU · pith_short_8: 4QXBUXKG

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/4QXBUXKGR2VUEMGUVXRYRXZHVA \
  | 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: e42e1a5d468eab4230d4ade388df27a817ee6818b9dd8d0153b19960a68b9c08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31f189315e524d8389a604df7c8f5190db6a620d79b2c21fec4008bbf7b99238",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2010-03-04T18:39:10Z",
    "title_canon_sha256": "c6b0ab9814b18a16151fbfee5701c00e7932bedc79a35b4e4c87122c1f053cd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.1109",
    "kind": "arxiv",
    "version": 2
  }
}