Pith Number

pith:SUJLM3AU

pith:2007:SUJLM3AUNTODFVZEYMDRIXAPXJ

not attested not anchored not stored refs pending

Reducing semantic complexity in distributed Digital Libraries: treatment of term vagueness and document re-ranking

Peter Mutschke, Philipp Mayr, Vivien Petras

arxiv:0712.2449 v1 · 2007-12-14 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SUJLM3AUNTODFVZEYMDRIXAPXJ}

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	2026-05-17T23:56:30.632774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9512b66c146cdc32d724c307145c0fba51c5ae5182e276917125dd9a96e4a45c

Aliases

arxiv: 0712.2449 · arxiv_version: 0712.2449v1 · doi: 10.48550/arxiv.0712.2449 · pith_short_12: SUJLM3AUNTOD · pith_short_16: SUJLM3AUNTODFVZE · pith_short_8: SUJLM3AU

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/SUJLM3AUNTODFVZEYMDRIXAPXJ \
  | 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: 9512b66c146cdc32d724c307145c0fba51c5ae5182e276917125dd9a96e4a45c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27bd8656ec8b550b1d05ed5b328491fb0f6677fc8553e18b14a0a8f370d4437c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.DL",
    "submitted_at": "2007-12-14T21:24:26Z",
    "title_canon_sha256": "1c22db8522cab0c35f939a2af1ea08f9ea43e41120a06b8f09218cb9e663ff93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.2449",
    "kind": "arxiv",
    "version": 1
  }
}