Pith Number

pith:7YFSTPDO

pith:2014:7YFSTPDORW72CDHSJ3VAQ4ZXSK

not attested not anchored not stored refs pending

Toward Network-based Keyword Extraction from Multitopic Web Documents

Ana Me\v{s}trovi\'c, Sabina \v{S}i\v{s}ovi\'c, Sanda Martin\v{c}i\'c-Ip\v{s}i\'c

arxiv:1407.3636 v1 · 2014-07-14 · 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{7YFSTPDORW72CDHSJ3VAQ4ZXSK}

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	2026-05-18T02:47:42.244502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe0b29bc6e8dbfa10cf24eea08733792beae3c23fa9370c9240cb31507c1b73d

Aliases

arxiv: 1407.3636 · arxiv_version: 1407.3636v1 · doi: 10.48550/arxiv.1407.3636 · pith_short_12: 7YFSTPDORW72 · pith_short_16: 7YFSTPDORW72CDHS · pith_short_8: 7YFSTPDO

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/7YFSTPDORW72CDHSJ3VAQ4ZXSK \
  | 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: fe0b29bc6e8dbfa10cf24eea08733792beae3c23fa9370c9240cb31507c1b73d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f89ddc938cf59dd31c292c8db18aa71b7123b9e58cb4d744ff59439734bc811",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2014-07-14T13:22:36Z",
    "title_canon_sha256": "d81bb70f49c00cc4a420e532fe51eaceecc5c4c9b6d27e360b7a1eae6d9883f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.3636",
    "kind": "arxiv",
    "version": 1
  }
}