Pith Number

pith:HANSWA4I

pith:2011:HANSWA4I7CEX4AD4QAAI4QADWM

not attested not anchored not stored refs pending

Direction Dependence of the Deceleration Parameter

Ronggen Cai, Zhongliang Tuo

arxiv:1109.0941 v6 · 2011-09-05 · astro-ph.CO · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HANSWA4I7CEX4AD4QAAI4QADWM}

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	2026-05-18T03:44:49.477106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

381b2b0388f8897e007c80008e4003b33b53b32e623949570cbef84e1b04f9e3

Aliases

arxiv: 1109.0941 · arxiv_version: 1109.0941v6 · doi: 10.48550/arxiv.1109.0941 · pith_short_12: HANSWA4I7CEX · pith_short_16: HANSWA4I7CEX4AD4 · pith_short_8: HANSWA4I

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/HANSWA4I7CEX4AD4QAAI4QADWM \
  | 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: 381b2b0388f8897e007c80008e4003b33b53b32e623949570cbef84e1b04f9e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "643790c5aaf7b6a4b2ead5eaa003c52590030c818ffef29fc908df8696d91f5d",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-05T15:44:40Z",
    "title_canon_sha256": "bce7d61c6140ed79999a270f5fea39a7f7e29346802ad852890eec8e291d3fb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.0941",
    "kind": "arxiv",
    "version": 6
  }
}