Pith Number

pith:247QAOFB

pith:2010:247QAOFBFCLYSJKRNLYBDREXFU

not attested not anchored not stored refs pending

New Interaction between Dark Energy and Dark Matter Changes Sign during Cosmological Evolution

Cheng-Yi Sun, Rui-Hong Yue

arxiv:1009.1214 v4 · 2010-09-07 · 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{247QAOFBFCLYSJKRNLYBDREXFU}

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	2026-05-18T03:23:03.510114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d73f0038a128978925516af011c4972d1cbd29d7ebd5ce30f8bdf16273e18e4d

Aliases

arxiv: 1009.1214 · arxiv_version: 1009.1214v4 · doi: 10.48550/arxiv.1009.1214 · pith_short_12: 247QAOFBFCLY · pith_short_16: 247QAOFBFCLYSJKR · pith_short_8: 247QAOFB

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/247QAOFBFCLYSJKRNLYBDREXFU \
  | 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: d73f0038a128978925516af011c4972d1cbd29d7ebd5ce30f8bdf16273e18e4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4c6779ce69c38e4dde371f73767969a3846097fd405c268cdb610a8941cce41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-09-07T07:42:22Z",
    "title_canon_sha256": "e57af07ffd6bc48a967b7f8089ec512df015d867977ce3bf76896e69422b166f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1214",
    "kind": "arxiv",
    "version": 4
  }
}