Pith Number

pith:SVHEFD3X

pith:2015:SVHEFD3X5JSIDATKAGLTPXY2KE

not attested not anchored not stored refs pending

Contextualization of topics - browsing through terms, authors, journals and cluster allocations

Andrea Scharnhorst, Rob Koopman, Shenghui Wang

arxiv:1504.04208 v1 · 2015-04-16 · cs.DL · 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{SVHEFD3X5JSIDATKAGLTPXY2KE}

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	2026-05-18T02:18:39.496079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

954e428f77ea6481826a019737df1a513ed4b41bfd6b472d23bc3c8a60e644ed

Aliases

arxiv: 1504.04208 · arxiv_version: 1504.04208v1 · doi: 10.48550/arxiv.1504.04208 · pith_short_12: SVHEFD3X5JSI · pith_short_16: SVHEFD3X5JSIDATK · pith_short_8: SVHEFD3X

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/SVHEFD3X5JSIDATKAGLTPXY2KE \
  | 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: 954e428f77ea6481826a019737df1a513ed4b41bfd6b472d23bc3c8a60e644ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73b99b392d14f4b3ba5c1f20e66079e0b5292ae073aabbeb938aa419156699ab",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2015-04-16T12:38:10Z",
    "title_canon_sha256": "5b3aaa893f880d24c1e367c4cb27b5fb1e052827775e1e49f0bf40fe9851df30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04208",
    "kind": "arxiv",
    "version": 1
  }
}