Pith Number

pith:HR4PO5HY

pith:2011:HR4PO5HYN6FHQ6WSZUD7P7P2IR

not attested not anchored not stored refs pending

Uncovering missing links with cold ends

Linyuan L\"u, Qian-Ming Zhang, Tao Zhou, Yu-Xiao Zhu

arxiv:1104.0395 v2 · 2011-04-03 · physics.data-an · cs.IR · cs.SI · physics.soc-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{HR4PO5HYN6FHQ6WSZUD7P7P2IR}

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	2026-05-18T02:02:40.999150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c78f774f86f8a787ad2cd07f7fdfa446c0a8cd0d4229e4181ea163daf3b592b

Aliases

arxiv: 1104.0395 · arxiv_version: 1104.0395v2 · doi: 10.48550/arxiv.1104.0395 · pith_short_12: HR4PO5HYN6FH · pith_short_16: HR4PO5HYN6FHQ6WS · pith_short_8: HR4PO5HY

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/HR4PO5HYN6FHQ6WSZUD7P7P2IR \
  | 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: 3c78f774f86f8a787ad2cd07f7fdfa446c0a8cd0d4229e4181ea163daf3b592b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6202cf8cd0cadaa495d2402ea6a73221c2c1ac1a2b5bddd01722cc517e54b463",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.SI",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2011-04-03T15:51:36Z",
    "title_canon_sha256": "1636eb94fb0393b40aaed430044c999d7b4c211f0c9c7dd420216345f824bf81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0395",
    "kind": "arxiv",
    "version": 2
  }
}