Pith Number

pith:336FWAMD

pith:2013:336FWAMDP6JHL43KPQ7UGN2UBI

not attested not anchored not stored refs pending

Theoretical Bitcoin Attacks with less than Half of the Computational Power (draft)

Lear Bahack

arxiv:1312.7013 v1 · 2013-12-25 · 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{336FWAMDP6JHL43KPQ7UGN2UBI}

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	2026-05-18T03:03:46.105631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

defc5b01837f9275f36a7c3f4337540a26027337e5e3c73c81e4cfc4037bf70c

Aliases

arxiv: 1312.7013 · arxiv_version: 1312.7013v1 · doi: 10.48550/arxiv.1312.7013 · pith_short_12: 336FWAMDP6JH · pith_short_16: 336FWAMDP6JHL43K · pith_short_8: 336FWAMD

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/336FWAMDP6JHL43KPQ7UGN2UBI \
  | 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: defc5b01837f9275f36a7c3f4337540a26027337e5e3c73c81e4cfc4037bf70c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30af685e97da7cdf8b6bca6c7cbdd778670005a57ecf440d705410d3cc6806f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2013-12-25T20:04:36Z",
    "title_canon_sha256": "49bc189a691c3412ab23ae03bf45d8d317523e7c5937231a7c0defab5e4a4b73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.7013",
    "kind": "arxiv",
    "version": 1
  }
}