Pith Number

pith:ODWVFQ2D

pith:2015:ODWVFQ2DALFSOKEWDDFG4PE632

not attested not anchored not stored refs pending

Building Hierarchies of Concepts via Crowdsourcing

Adish Singla, Andreas Krause, Dieter Fox, Yuyin Sun

arxiv:1504.07302 v3 · 2015-04-27 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ODWVFQ2DALFSOKEWDDFG4PE632}

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	2026-05-18T01:35:59.699578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70ed52c34302cb27289618ca6e3c9ede8d412c3a0682da5de68a6cd28672f059

Aliases

arxiv: 1504.07302 · arxiv_version: 1504.07302v3 · doi: 10.48550/arxiv.1504.07302 · pith_short_12: ODWVFQ2DALFS · pith_short_16: ODWVFQ2DALFSOKEW · pith_short_8: ODWVFQ2D

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/ODWVFQ2DALFSOKEWDDFG4PE632 \
  | 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: 70ed52c34302cb27289618ca6e3c9ede8d412c3a0682da5de68a6cd28672f059

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc52f081936d484d26555d6fa83c22ca788d4782d295ea6ce8475f1de1b353ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2015-04-27T23:14:32Z",
    "title_canon_sha256": "de3d67f2d6203800359fb1bc5773ba4465e87a7f0d7cb6522a8638466c765536"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07302",
    "kind": "arxiv",
    "version": 3
  }
}