Pith Number

pith:PPM6GX6Y

pith:2018:PPM6GX6YPV527UGG6JUKVVUTI6

not attested not anchored not stored refs pending

Eliciting Expertise without Verification

Grant Schoenebeck, Yuqing Kong

arxiv:1802.08312 v2 · 2018-02-22 · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PPM6GX6YPV527UGG6JUKVVUTI6}

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	2026-05-18T00:15:09.709952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bd9e35fd87d7bafd0c6f268aad6934795a540dd1e0c19cb08ab54ca9e6a407a

Aliases

arxiv: 1802.08312 · arxiv_version: 1802.08312v2 · doi: 10.48550/arxiv.1802.08312 · pith_short_12: PPM6GX6YPV52 · pith_short_16: PPM6GX6YPV527UGG · pith_short_8: PPM6GX6Y

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/PPM6GX6YPV527UGG6JUKVVUTI6 \
  | 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: 7bd9e35fd87d7bafd0c6f268aad6934795a540dd1e0c19cb08ab54ca9e6a407a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd80acf4ad17b6eeaf16201e4c69acd358e19c85278df803242cf8ffe9924c50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2018-02-22T21:37:35Z",
    "title_canon_sha256": "c19bceb96ca1c3414d13e6c53c9b8a202403fbacaf20958511d0c71948cf39e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08312",
    "kind": "arxiv",
    "version": 2
  }
}