Pith Number

pith:VSNB2OYG

pith:2015:VSNB2OYGO6ZTJCZ7LLUAHKVNAJ

not attested not anchored not stored refs pending

Containment for Conditional Tree Patterns

Alessandro Facchini (University of Warsaw), Evgeny Sherkhonov (University of Amsterdam), Maarten Marx (University of Amsterdam), Technology), Yoichi Hirai (National Institute of Advanced Industrial Science

arxiv:1503.02210 v2 · 2015-03-07 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VSNB2OYGO6ZTJCZ7LLUAHKVNAJ}

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	2026-05-18T00:53:10.880804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac9a1d3b0677b3348b3f5ae803aaad025acb84fc3cb88c05e86f7b59fb0f9c83

Aliases

arxiv: 1503.02210 · arxiv_version: 1503.02210v2 · doi: 10.48550/arxiv.1503.02210 · pith_short_12: VSNB2OYGO6ZT · pith_short_16: VSNB2OYGO6ZTJCZ7 · pith_short_8: VSNB2OYG

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/VSNB2OYGO6ZTJCZ7LLUAHKVNAJ \
  | 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: ac9a1d3b0677b3348b3f5ae803aaad025acb84fc3cb88c05e86f7b59fb0f9c83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8903b95839633663e3acc13240707c379f7e0a0b176a38fff6dd212a95b5304",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-03-07T20:22:45Z",
    "title_canon_sha256": "41650c05990c9e18280c46b4802cd84b215b655939032da223da993a186ae98c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02210",
    "kind": "arxiv",
    "version": 2
  }
}