Pith Number

pith:EI6ADVLW

pith:2009:EI6ADVLWMYH44AIHFPUNPIZWCI

not attested not anchored not stored refs pending

Using Multipartite Graphs for Recommendation and Discovery

Alberto Accomazzi, Carolyn S. Grant, Edwin Henneken, Giovanni Di Milia, Michael J. Kurtz

arxiv:0912.5235 v1 · 2009-12-30 · astro-ph.IM · cs.DL · cs.IR · 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{EI6ADVLWMYH44AIHFPUNPIZWCI}

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	2026-07-04T17:18:31.342721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

223c01d576660fce01072be8d7a336121f9e06d2f21c033b8dbe2f7c7a2ae0fb

Aliases

arxiv: 0912.5235 · arxiv_version: 0912.5235v1 · doi: 10.48550/arxiv.0912.5235 · pith_short_12: EI6ADVLWMYH4 · pith_short_16: EI6ADVLWMYH44AIH · pith_short_8: EI6ADVLW

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/EI6ADVLWMYH44AIHFPUNPIZWCI \
  | 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: 223c01d576660fce01072be8d7a336121f9e06d2f21c033b8dbe2f7c7a2ae0fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a772b7b979deb338af9808c3ae96cbbaebd1d94fe3e09214ee6c47fbdf66fe47",
    "cross_cats_sorted": [
      "cs.DL",
      "cs.IR",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-12-30T17:05:13Z",
    "title_canon_sha256": "40772954dba9c70b959ef576313407764924987955e2a1f8ce8e95573cac2393"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.5235",
    "kind": "arxiv",
    "version": 1
  }
}