Pith Number

pith:U7D4QBO7

pith:2011:U7D4QBO7NBP3AB4JG3IGZ6K5Q5

not attested not anchored not stored refs pending

Clean Valuation Framework for the USD Silo

Akihiko Takahashi, Masaaki Fujii

arxiv:1112.1763 v1 · 2011-12-08 · q-fin.PR · q-fin.RM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U7D4QBO7NBP3AB4JG3IGZ6K5Q5}

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	2026-05-18T04:06:45.701589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7c7c805df685fb0078936d06cf95d876158bbe4fd802ae90bb9380601c7fc57

Aliases

arxiv: 1112.1763 · arxiv_version: 1112.1763v1 · doi: 10.48550/arxiv.1112.1763 · pith_short_12: U7D4QBO7NBP3 · pith_short_16: U7D4QBO7NBP3AB4J · pith_short_8: U7D4QBO7

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/U7D4QBO7NBP3AB4JG3IGZ6K5Q5 \
  | 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: a7c7c805df685fb0078936d06cf95d876158bbe4fd802ae90bb9380601c7fc57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81eef6409603b45e975b39ff26e246016163d4ed28f8edc43234acd42fdab5c0",
    "cross_cats_sorted": [
      "q-fin.RM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PR",
    "submitted_at": "2011-12-08T04:32:59Z",
    "title_canon_sha256": "b015a53d10bc2a0e7fa6973f9e8d715563d2dffccc4312394bf2efed5ad56462"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1763",
    "kind": "arxiv",
    "version": 1
  }
}