Pith Number

pith:KT3UFLUL

pith:2019:KT3UFLUL22OIQJ5BHJX5HYUOSR

not attested not anchored not stored refs pending

Beyond the Inverted Index

Zhi-Hong Deng

arxiv:1908.04517 v1 · 2019-08-13 · cs.DS · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KT3UFLUL22OIQJ5BHJX5HYUOSR}

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	2026-07-04T23:55:14.441809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54f742ae8bd69c8827a13a6fd3e28e946c209d44265cb8d0a95e3df3468e110b

Aliases

arxiv: 1908.04517 · arxiv_version: 1908.04517v1 · doi: 10.48550/arxiv.1908.04517 · pith_short_12: KT3UFLUL22OI · pith_short_16: KT3UFLUL22OIQJ5B · pith_short_8: KT3UFLUL

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/KT3UFLUL22OIQJ5BHJX5HYUOSR \
  | 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: 54f742ae8bd69c8827a13a6fd3e28e946c209d44265cb8d0a95e3df3468e110b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f26a93cebdb571b5b4e8f9646eb5850006c0dd1034640cbb5f4afa45b5e5a4f",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-08-13T07:14:01Z",
    "title_canon_sha256": "18bf47911a58d3738b6aa627a32a509e9e40e205d276566a3fab13cdb87d8751"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04517",
    "kind": "arxiv",
    "version": 1
  }
}