Pith Number

pith:55WL2UWF

pith:2018:55WL2UWFIRPDZJOF33IDEGE2N3

not attested not anchored not stored refs pending

Revisiting Client Puzzles for State Exhaustion Attacks Resilience

Ahmed Fawaz, Mohammad A. Noureddine, Tamer Basar, William H. Sanders

arxiv:1807.11892 v1 · 2018-07-31 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{55WL2UWFIRPDZJOF33IDEGE2N3}

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	2026-05-18T00:09:20.813463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef6cbd52c5445e3ca5c5ded032189a6ef0827feb7b72714399df5f01a86b052f

Aliases

arxiv: 1807.11892 · arxiv_version: 1807.11892v1 · doi: 10.48550/arxiv.1807.11892 · pith_short_12: 55WL2UWFIRPD · pith_short_16: 55WL2UWFIRPDZJOF · pith_short_8: 55WL2UWF

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/55WL2UWFIRPDZJOF33IDEGE2N3 \
  | 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: ef6cbd52c5445e3ca5c5ded032189a6ef0827feb7b72714399df5f01a86b052f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "052f8ec9d5012f75762752fce0572cfb3567b4a7b390cd4d14eddbc21fc344be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-07-31T16:10:56Z",
    "title_canon_sha256": "9fdd810bedcf5daedd80133a74be573d453391c1c5aa83bd0e97fb81691f90b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11892",
    "kind": "arxiv",
    "version": 1
  }
}