Pith Number

pith:4VQGO3W6

pith:2009:4VQGO3W6OFXYCPHFY74HE5BTKM

not attested not anchored not stored refs pending

On the stability of two-chunk file-sharing systems

Hannu Reittu, Ilkka Norros, Timo Eirola

arxiv:0910.5577 v1 · 2009-10-29 · cs.OS · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4VQGO3W6OFXYCPHFY74HE5BTKM}

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	2026-05-18T00:02:37.014751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e560676ede716f813ce5c7f872743353139274c764717131409a070a7060f897

Aliases

arxiv: 0910.5577 · arxiv_version: 0910.5577v1 · doi: 10.48550/arxiv.0910.5577 · pith_short_12: 4VQGO3W6OFXY · pith_short_16: 4VQGO3W6OFXYCPHF · pith_short_8: 4VQGO3W6

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/4VQGO3W6OFXYCPHFY74HE5BTKM \
  | 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: e560676ede716f813ce5c7f872743353139274c764717131409a070a7060f897

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5101daefd6010542547a8ca5968548da6879ad9aae1dd4da2d8caf2bf47e17c4",
    "cross_cats_sorted": [
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OS",
    "submitted_at": "2009-10-29T08:38:32Z",
    "title_canon_sha256": "a813a8db28de58a1e2108f0a65c9d868b427c743e5799db40c19cd876bdb5b05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.5577",
    "kind": "arxiv",
    "version": 1
  }
}