Pith Number

pith:IWMVK4UU

pith:2009:IWMVK4UUCJSZTT5W4MTVHC74O3

not attested not anchored not stored refs pending

A computational method for bounding the probability of reconstruction on trees

Elitza Maneva, Nayantara Bhatnagar

arxiv:0903.4812 v1 · 2009-03-27 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IWMVK4UUCJSZTT5W4MTVHC74O3}

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	2026-05-18T04:16:52.502876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4599557294126599cfb6e327538bfc76e364085df424fac9f34298bd575963df

Aliases

arxiv: 0903.4812 · arxiv_version: 0903.4812v1 · doi: 10.48550/arxiv.0903.4812 · pith_short_12: IWMVK4UUCJSZ · pith_short_16: IWMVK4UUCJSZTT5W · pith_short_8: IWMVK4UU

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/IWMVK4UUCJSZTT5W4MTVHC74O3 \
  | 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: 4599557294126599cfb6e327538bfc76e364085df424fac9f34298bd575963df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "863a7e303b2bc6f889573ff995d9dcc566feec0bb04e0b5337f56099b4f6bd83",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2009-03-27T14:50:01Z",
    "title_canon_sha256": "efba47fd81ee39645806c9e6dff09060333a41c5ea5731880463f2732918dea9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4812",
    "kind": "arxiv",
    "version": 1
  }
}