Pith Number

pith:QBU7AMWT

pith:2013:QBU7AMWTW5M637U3BPKP4Z7VQI

not attested not anchored not stored refs pending

Mutually interacting Tachyon dark energy with variable $G$ and $\Lambda$

H. Farahani, J. Sadeghi, M. Hakobyan, M. Khurshudyan

arxiv:1309.7496 v2 · 2013-09-28 · gr-qc · hep-ph · 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{QBU7AMWTW5M637U3BPKP4Z7VQI}

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	2026-05-18T02:28:12.189598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8069f032d3b759edfe9b0bd4fe67f58203bd087faf246eb82b8158a60b3966f7

Aliases

arxiv: 1309.7496 · arxiv_version: 1309.7496v2 · doi: 10.48550/arxiv.1309.7496 · pith_short_12: QBU7AMWTW5M6 · pith_short_16: QBU7AMWTW5M637U3 · pith_short_8: QBU7AMWT

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/QBU7AMWTW5M637U3BPKP4Z7VQI \
  | 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: 8069f032d3b759edfe9b0bd4fe67f58203bd087faf246eb82b8158a60b3966f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "122d5749f530d3b338f6faf2478d08cc31954ca5cf11faaf7bb2abf89f1153f3",
    "cross_cats_sorted": [
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-09-28T19:43:33Z",
    "title_canon_sha256": "390defd65f4069a719b93d38dd778502b6f29cbf66059d43935ceaaf93d7ee42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7496",
    "kind": "arxiv",
    "version": 2
  }
}