Pith Number

pith:CGVNQ7W6

pith:2012:CGVNQ7W6PAEM77U6BP6QDH27L6

not attested not anchored not stored refs pending

Dynamics of Dirac-Born-Infeld dark energy interacting with dark matter

Chakkrit Kaeonikhom, Douglas Singleton, Nattapong Yongram, Sergey V. Sushkov

arxiv:1209.5219 v2 · 2012-09-24 · gr-qc · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CGVNQ7W6PAEM77U6BP6QDH27L6}

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	2026-05-18T03:37:18.792381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11aad87ede7808cffe9e0bfd019f5f5fa4f526874be6aeef7fbd7f7e424dd701

Aliases

arxiv: 1209.5219 · arxiv_version: 1209.5219v2 · doi: 10.48550/arxiv.1209.5219 · pith_short_12: CGVNQ7W6PAEM · pith_short_16: CGVNQ7W6PAEM77U6 · pith_short_8: CGVNQ7W6

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/CGVNQ7W6PAEM77U6BP6QDH27L6 \
  | 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: 11aad87ede7808cffe9e0bfd019f5f5fa4f526874be6aeef7fbd7f7e424dd701

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a5b2eb79cdee566a5f46f0b17eef40b9b1e2a30f5710e707918cd213162adfb",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-09-24T10:27:31Z",
    "title_canon_sha256": "9901c71ec00af7e69ba1c7424a5c80ce391d101d409287c6dde55ae602b6d6e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5219",
    "kind": "arxiv",
    "version": 2
  }
}