Pith Number

pith:QRKT4K42

pith:2013:QRKT4K42W6C52XO5BALFLKTJH4

not attested not anchored not stored refs pending

On extended sign-changeable interactions in the dark sector

M\'onica Forte

arxiv:1311.3921 v2 · 2013-11-14 · gr-qc · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QRKT4K42W6C52XO5BALFLKTJH4}

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	2026-05-18T02:42:06.093764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84553e2b9ab785dd5ddd081655aa693f261482d68efb59bb154605ad1d5158fc

Aliases

arxiv: 1311.3921 · arxiv_version: 1311.3921v2 · doi: 10.48550/arxiv.1311.3921 · pith_short_12: QRKT4K42W6C5 · pith_short_16: QRKT4K42W6C52XO5 · pith_short_8: QRKT4K42

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/QRKT4K42W6C52XO5BALFLKTJH4 \
  | 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: 84553e2b9ab785dd5ddd081655aa693f261482d68efb59bb154605ad1d5158fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d546353d30e9aaabbde43b56812462552c9d7b5c836f104b7ffa112c532edb45",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-11-14T16:03:13Z",
    "title_canon_sha256": "db1f7856366a2327be6b43e907ba7dae1f608d6183c6a6e91da0e3c26d735efd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.3921",
    "kind": "arxiv",
    "version": 2
  }
}