Pith Number

pith:7G4WOYNP

pith:2014:7G4WOYNPNPWGFDWCXLIU6FJIT7

not attested not anchored not stored refs pending

How the result of a single coin toss can turn out to be 100 heads

Christopher Ferrie, Joshua Combes

arxiv:1403.2362 v3 · 2014-03-10 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7G4WOYNPNPWGFDWCXLIU6FJIT7}

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	2026-05-18T02:42:37.172777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9b96761af6bec628ec2bad14f15289fd1f5328e2f2b1233cc2e7129976535ad

Aliases

arxiv: 1403.2362 · arxiv_version: 1403.2362v3 · doi: 10.48550/arxiv.1403.2362 · pith_short_12: 7G4WOYNPNPWG · pith_short_16: 7G4WOYNPNPWGFDWC · pith_short_8: 7G4WOYNP

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/7G4WOYNPNPWGFDWCXLIU6FJIT7 \
  | 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: f9b96761af6bec628ec2bad14f15289fd1f5328e2f2b1233cc2e7129976535ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c50568286cb805183f5d3ff6da5d8b38d8cf91197b073e23d5ff0d8168cbb63e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-03-10T19:39:42Z",
    "title_canon_sha256": "3650a8e90449686f47fb86d89448dff846b05aa60de74853a4d86cd7d78213e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.2362",
    "kind": "arxiv",
    "version": 3
  }
}