Pith Number

pith:K7QZNHAO

pith:2015:K7QZNHAOZ5TOREZUNGP453ZLSK

not attested not anchored not stored refs pending

Topic Stability over Noisy Sources

Derek Greene, Gerard Lynch, Jing Su, Ois\'in Boydell

arxiv:1508.01067 v1 · 2015-08-05 · cs.CL · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K7QZNHAOZ5TOREZUNGP453ZLSK}

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	2026-05-18T01:35:44.135563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57e1969c0ecf66e89334699fceef2b92a5ceeb60d131e26b6757d3af71eb5181

Aliases

arxiv: 1508.01067 · arxiv_version: 1508.01067v1 · doi: 10.48550/arxiv.1508.01067 · pith_short_12: K7QZNHAOZ5TO · pith_short_16: K7QZNHAOZ5TOREZU · pith_short_8: K7QZNHAO

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/K7QZNHAOZ5TOREZUNGP453ZLSK \
  | 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: 57e1969c0ecf66e89334699fceef2b92a5ceeb60d131e26b6757d3af71eb5181

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0e958e9cafdf71ddb4468713c8fba7c9023e2b75a7ca6aad931941732c4ffd4",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2015-08-05T13:18:51Z",
    "title_canon_sha256": "f721a7f9d37231c59addfacd13febae585da0ba006f1964e30d7603227241c90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01067",
    "kind": "arxiv",
    "version": 1
  }
}