Pith Number

pith:U3UFBK5O

pith:2011:U3UFBK5ORGLT4NCEDNRZ4PR6AY

not attested not anchored not stored refs pending

Rearranging trees for robust consensus

George Forrest Young, Luca Scardovi, Naomi Ehrich Leonard

arxiv:1105.2541 v2 · 2011-05-12 · math.OC · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U3UFBK5ORGLT4NCEDNRZ4PR6AY}

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	2026-05-18T04:19:42.970481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6e850abae89973e34441b639e3e3e0614c7f75f59f67259211c98985bb0b02a

Aliases

arxiv: 1105.2541 · arxiv_version: 1105.2541v2 · doi: 10.48550/arxiv.1105.2541 · pith_short_12: U3UFBK5ORGLT · pith_short_16: U3UFBK5ORGLT4NCE · pith_short_8: U3UFBK5O

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/U3UFBK5ORGLT4NCEDNRZ4PR6AY \
  | 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: a6e850abae89973e34441b639e3e3e0614c7f75f59f67259211c98985bb0b02a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8011f7df15f31790923ac1f0f1a8834e78f79b25f2bd03c97224e6537f62b87",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-05-12T18:04:15Z",
    "title_canon_sha256": "e357fcf0fcf3d12534174e6c0131f110f5f419bffc037bdd664914bc3213cd91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2541",
    "kind": "arxiv",
    "version": 2
  }
}