Pith Number

pith:PRQVUAZC

pith:2011:PRQVUAZCRI5EBGAOQ7KFDNYPGQ

not attested not anchored not stored refs pending

The universe dynamics in the tachyon cosmology with non-minimal coupling to matter

A. Ravanpak, G. F. Fadakar, H. Farajollahi

arxiv:1103.3554 v2 · 2011-03-18 · 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{PRQVUAZCRI5EBGAOQ7KFDNYPGQ}

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	2026-05-18T02:02:50.050788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c615a03228a3a40980e87d451b70f3417b8df14274a67d9a687825329d4337c

Aliases

arxiv: 1103.3554 · arxiv_version: 1103.3554v2 · doi: 10.48550/arxiv.1103.3554 · pith_short_12: PRQVUAZCRI5E · pith_short_16: PRQVUAZCRI5EBGAO · pith_short_8: PRQVUAZC

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/PRQVUAZCRI5EBGAOQ7KFDNYPGQ \
  | 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: 7c615a03228a3a40980e87d451b70f3417b8df14274a67d9a687825329d4337c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cbb9c4bb69c24d642e3f66566147805c6449bcd9932d826af7cc8fb9f934684",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-03-18T05:06:55Z",
    "title_canon_sha256": "85ae7a5b60205232239b63c3e7d744f760ceb06c6fd1c36075b8298c7b35ae00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3554",
    "kind": "arxiv",
    "version": 2
  }
}