Pith Number

pith:4QRCM2HA

pith:2011:4QRCM2HAB2GVOWQ66QHBXUXHEI

not attested not anchored not stored refs pending

Constraints on kinematic models from the latest observational data

Jianbo Lu, Lixin Xu, Molin Liu

arxiv:1105.1871 v1 · 2011-05-10 · 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{4QRCM2HAB2GVOWQ66QHBXUXHEI}

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	2026-05-18T02:02:02.132381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4222668e00e8d575a1ef40e1bd2e7220f08d032c2c50ac4f44d40d6138c6cb6

Aliases

arxiv: 1105.1871 · arxiv_version: 1105.1871v1 · doi: 10.48550/arxiv.1105.1871 · pith_short_12: 4QRCM2HAB2GV · pith_short_16: 4QRCM2HAB2GVOWQ6 · pith_short_8: 4QRCM2HA

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/4QRCM2HAB2GVOWQ66QHBXUXHEI \
  | 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: e4222668e00e8d575a1ef40e1bd2e7220f08d032c2c50ac4f44d40d6138c6cb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14627e2c72920acbc72c78f541980e9627eb7d2f2d773f9185ccc2c9e6e9bd15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-05-10T08:03:14Z",
    "title_canon_sha256": "69e8864c2221ece063f2cf911217f9e552a9a26e5dce18543d5911ba15ac5705"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.1871",
    "kind": "arxiv",
    "version": 1
  }
}