Pith Number

pith:2ZQ44VUS

pith:2019:2ZQ44VUSJ6QRO26TH2Z25RUPXF

not attested not anchored not stored refs pending

Subjective Databases

Aaron Xixuan Feng, Alon Halevy, Jinfeng Li, Saran Mumick, Vivian Li, Wang-Chiew Tan, Yuliang Li

arxiv:1902.09661 v4 · 2019-02-25 · 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{2ZQ44VUSJ6QRO26TH2Z25RUPXF}

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	2026-05-17T23:39:35.461996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d661ce56924fa1176bd33eb3aec68fb9645cb8e45921c3148fbf4061a1c51746

Aliases

arxiv: 1902.09661 · arxiv_version: 1902.09661v4 · doi: 10.48550/arxiv.1902.09661 · pith_short_12: 2ZQ44VUSJ6QR · pith_short_16: 2ZQ44VUSJ6QRO26T · pith_short_8: 2ZQ44VUS

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/2ZQ44VUSJ6QRO26TH2Z25RUPXF \
  | 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: d661ce56924fa1176bd33eb3aec68fb9645cb8e45921c3148fbf4061a1c51746

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7785fc0c3dbc82311ec4198205ffb0e51a9986f52b9e3cc0b631d45526feb6e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2019-02-25T23:39:47Z",
    "title_canon_sha256": "cb2f4a45cabbcfafb1bba927b94707f22f0eda1291144c3da740370046617660"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09661",
    "kind": "arxiv",
    "version": 4
  }
}