Pith Number

pith:VYXBW2YZ

pith:2017:VYXBW2YZYID4MWU43NYOVHMNMV

not attested not anchored not stored refs pending

Endgames in bidding chess

Johan W\"astlund, Urban Larsson

arxiv:1703.01624 v1 · 2017-03-05 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VYXBW2YZYID4MWU43NYOVHMNMV}

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	2026-05-18T00:49:30.089691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae2e1b6b19c207c65a9cdb70ea9d8d655bf07e361b503bd8532913e9d7f6cda1

Aliases

arxiv: 1703.01624 · arxiv_version: 1703.01624v1 · doi: 10.48550/arxiv.1703.01624 · pith_short_12: VYXBW2YZYID4 · pith_short_16: VYXBW2YZYID4MWU4 · pith_short_8: VYXBW2YZ

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/VYXBW2YZYID4MWU43NYOVHMNMV \
  | 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: ae2e1b6b19c207c65a9cdb70ea9d8d655bf07e361b503bd8532913e9d7f6cda1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20fe6548a4229bcbb66df63f30e66473dbde4ea5dbdf9eab3bf42a1dd7e0d0fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-03-05T16:59:23Z",
    "title_canon_sha256": "d973935b79f00fe9521ae3be39bebe130443cd4021ad3553baa81e90c8cd994e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01624",
    "kind": "arxiv",
    "version": 1
  }
}