Pith Number

pith:UVIWBVSS

pith:2016:UVIWBVSSP5H3J2R77O4G3ZAEDO

not attested not anchored not stored refs pending

Tree Matchings

Alexander Roberts

arxiv:1612.01694 v1 · 2016-12-06 · 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{UVIWBVSSP5H3J2R77O4G3ZAEDO}

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	2026-05-18T00:55:47.813711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a55160d6527f4fb4ea3ffbb86de4041bbd9b46acc381e28e93c5d3d859c1f32c

Aliases

arxiv: 1612.01694 · arxiv_version: 1612.01694v1 · doi: 10.48550/arxiv.1612.01694 · pith_short_12: UVIWBVSSP5H3 · pith_short_16: UVIWBVSSP5H3J2R7 · pith_short_8: UVIWBVSS

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/UVIWBVSSP5H3J2R77O4G3ZAEDO \
  | 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: a55160d6527f4fb4ea3ffbb86de4041bbd9b46acc381e28e93c5d3d859c1f32c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4d843268dd4a6894b105cfd03699a12491e4af9d563af557ab070fdce8413c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-12-06T08:04:32Z",
    "title_canon_sha256": "b301723322f3fad8ed349f0c96a350d18233e454e1ea20f6cb6b052d69291d35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01694",
    "kind": "arxiv",
    "version": 1
  }
}