Pith Number

pith:DD33U6U2

pith:2018:DD33U6U25KZBOXSKUQPZDAWQQ4

not attested not anchored not stored refs pending

Graph Embedding for Citation Recommendation

Erik Saule, Haofeng Jia

arxiv:1812.03835 v1 · 2018-12-06 · cs.IR · cs.DL · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DD33U6U25KZBOXSKUQPZDAWQQ4}

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	2026-05-17T23:58:43.752787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18f7ba7a9aeab2175e4aa41f9182d0871aea02e6c0eeedb99126e1b4c8dd2ee4

Aliases

arxiv: 1812.03835 · arxiv_version: 1812.03835v1 · doi: 10.48550/arxiv.1812.03835 · pith_short_12: DD33U6U25KZB · pith_short_16: DD33U6U25KZBOXSK · pith_short_8: DD33U6U2

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/DD33U6U25KZBOXSKUQPZDAWQQ4 \
  | 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: 18f7ba7a9aeab2175e4aa41f9182d0871aea02e6c0eeedb99126e1b4c8dd2ee4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a81693458a5d6053935321cf93ae487ca93c57ff2c9f7704a9008f0d9b99181",
    "cross_cats_sorted": [
      "cs.DL",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-12-06T21:33:23Z",
    "title_canon_sha256": "078b21c61580eedfeb39e8dfd76f2f639eca8fe84b851bd6f499b64fc90b893d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.03835",
    "kind": "arxiv",
    "version": 1
  }
}