Pith Number

pith:7L74ZGE6

pith:2018:7L74ZGE6NOYZFC3SUC65MQUMOQ

not attested not anchored not stored refs pending

Partial Verification as a Substitute for Money

Ian Kash, Rafael Frongillo, Sofia Ceppi

arxiv:1812.07312 v2 · 2018-12-18 · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7L74ZGE6NOYZFC3SUC65MQUMOQ}

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	2026-05-17T23:55:42.354356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

faffcc989e6bb1928b72a0bdd6428c7436fbb70be7b4749cc6b2290973134f33

Aliases

arxiv: 1812.07312 · arxiv_version: 1812.07312v2 · doi: 10.48550/arxiv.1812.07312 · pith_short_12: 7L74ZGE6NOYZ · pith_short_16: 7L74ZGE6NOYZFC3S · pith_short_8: 7L74ZGE6

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/7L74ZGE6NOYZFC3SUC65MQUMOQ \
  | 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: faffcc989e6bb1928b72a0bdd6428c7436fbb70be7b4749cc6b2290973134f33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f548185b965107cd67ec5ed56f7cf14706c88f7214b8f403a246aab5a66c70a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2018-12-18T11:47:31Z",
    "title_canon_sha256": "a3a8eb55b0f0098dd9d25d9fe8475dcc347fadbb281e46b1891719e131d59d56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07312",
    "kind": "arxiv",
    "version": 2
  }
}