Pith Number

pith:RJYHUEIT

pith:2022:RJYHUEITBQM3WHQ4M3NLLZGNJW

not attested not anchored not stored refs pending

A primer on perpetuals

Alex Evans, Guillermo Angeris, Matthew Lorig, Tarun Chitra

arxiv:2209.03307 v1 · 2022-09-07 · q-fin.MF

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RJYHUEITBQM3WHQ4M3NLLZGNJW}

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	2026-07-05T04:55:33.724601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a707a11130c19bb1e1c66dab5e4cd4db7c3909c6064d486af9c11fb2dc6d060

Aliases

arxiv: 2209.03307 · arxiv_version: 2209.03307v1 · doi: 10.48550/arxiv.2209.03307 · pith_short_12: RJYHUEITBQM3 · pith_short_16: RJYHUEITBQM3WHQ4 · pith_short_8: RJYHUEIT

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/RJYHUEITBQM3WHQ4M3NLLZGNJW \
  | 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: 8a707a11130c19bb1e1c66dab5e4cd4db7c3909c6064d486af9c11fb2dc6d060

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94ccd7e92803e22d298f91940a48af0cac1bc82e2b48e7f486b011c681ef7931",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.MF",
    "submitted_at": "2022-09-07T17:15:07Z",
    "title_canon_sha256": "787dbb5952a5408a0f03dc2a1e362478f15a6f2dcfc90cb8eaf3ff9721abe206"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.03307",
    "kind": "arxiv",
    "version": 1
  }
}