Pith Number

pith:OXUAOVBT

pith:2019:OXUAOVBTU5BBMIT4ZVZC55KG6D

not attested not anchored not stored refs pending

On the Distance Between the Rumor Source and Its Optimal Estimate in a Regular Tree

Tetsunao Matsuta, Tomohiko Uyematsu

arxiv:1901.03039 v2 · 2019-01-10 · cs.IT · cs.SI · math.IT · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OXUAOVBTU5BBMIT4ZVZC55KG6D}

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	2026-05-17T23:55:52.922554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75e8075433a74216227ccd722ef546f0d35d25394e6997cd15537290d1477cf9

Aliases

arxiv: 1901.03039 · arxiv_version: 1901.03039v2 · doi: 10.48550/arxiv.1901.03039 · pith_short_12: OXUAOVBTU5BB · pith_short_16: OXUAOVBTU5BBMIT4 · pith_short_8: OXUAOVBT

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/OXUAOVBTU5BBMIT4ZVZC55KG6D \
  | 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: 75e8075433a74216227ccd722ef546f0d35d25394e6997cd15537290d1477cf9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61ef3ba6fc084002453d41294a5be7cc2675039a839b80f7c6f924c7f0e48add",
    "cross_cats_sorted": [
      "cs.SI",
      "math.IT",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-01-10T07:09:33Z",
    "title_canon_sha256": "69a99208655901e3249784c151273652b50a909d4342fd3a4ca4e48e21300394"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03039",
    "kind": "arxiv",
    "version": 2
  }
}