Pith Number

pith:E42YMIIF

pith:2017:E42YMIIFATDRUFKZGFDA4LEV4R

not attested not anchored not stored refs pending

Enumeration on Trees under Relabelings

Antoine Amarilli, Pierre Bourhis, Stefan Mengel

arxiv:1709.06185 v3 · 2017-09-18 · cs.DB · 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{E42YMIIFATDRUFKZGFDA4LEV4R}

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	2026-05-18T00:14:34.453781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

273586210504c71a155931460e2c95e46b2fd2d569d2c70a6e9cab99410b6ae2

Aliases

arxiv: 1709.06185 · arxiv_version: 1709.06185v3 · doi: 10.48550/arxiv.1709.06185 · pith_short_12: E42YMIIFATDR · pith_short_16: E42YMIIFATDRUFKZ · pith_short_8: E42YMIIF

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/E42YMIIFATDRUFKZGFDA4LEV4R \
  | 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: 273586210504c71a155931460e2c95e46b2fd2d569d2c70a6e9cab99410b6ae2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3d1c7c63e3693b69777a566561314ddc5295f2f5472d0f65ebd24628acd1220",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2017-09-18T22:08:44Z",
    "title_canon_sha256": "50cbed869842cea8563a38ffe33b2418ba67a467fa33aa869fa9f1aa92acfc6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.06185",
    "kind": "arxiv",
    "version": 3
  }
}