Pith Number

pith:HGPWCNEA

pith:2010:HGPWCNEAYMIPGNFBWPC6ZIRMGG

not attested not anchored not stored refs pending

Cosmological Constraints on the Undulant Universe

Hao-Yi Wan, Tian Lan, Tong-Jie Zhang, Yan Gong

arxiv:1006.3353 v1 · 2010-06-17 · 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{HGPWCNEAYMIPGNFBWPC6ZIRMGG}

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	2026-05-18T04:30:48.403011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

399f613480c310f334a1b3c5eca22c3182b0915fa7ad98e40859e96c554b6383

Aliases

arxiv: 1006.3353 · arxiv_version: 1006.3353v1 · doi: 10.48550/arxiv.1006.3353 · pith_short_12: HGPWCNEAYMIP · pith_short_16: HGPWCNEAYMIPGNFB · pith_short_8: HGPWCNEA

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/HGPWCNEAYMIPGNFBWPC6ZIRMGG \
  | 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: 399f613480c310f334a1b3c5eca22c3182b0915fa7ad98e40859e96c554b6383

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f0f0e1aacbe484505721674cb8b8ec75ea796399795291b73cab241f55f658d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-06-17T01:50:31Z",
    "title_canon_sha256": "829281ff99e5b1756120994f76ca13de0ad8d3182204b45b44606558701f0c4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.3353",
    "kind": "arxiv",
    "version": 1
  }
}