Pith Number

pith:2TI7FJ7H

pith:2024:2TI7FJ7H4A7TLBB6QCDZVFAWJQ

not attested not anchored not stored refs pending

History-Determinism vs Fair Simulation

Karoliina Lehtinen, Keya Prakash, Thomas A. Henzinger, Udi Boker

arxiv:2407.08620 v1 · 2024-07-11 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2TI7FJ7H4A7TLBB6QCDZVFAWJQ}

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	2026-05-28T21:06:51.853917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4d1f2a7e7e03f35843e80879a94164c20af5b52b5f2facb991c1a0da49cd8b7

Aliases

arxiv: 2407.08620 · arxiv_version: 2407.08620v1 · doi: 10.48550/arxiv.2407.08620 · pith_short_12: 2TI7FJ7H4A7T · pith_short_16: 2TI7FJ7H4A7TLBB6 · pith_short_8: 2TI7FJ7H

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/2TI7FJ7H4A7TLBB6QCDZVFAWJQ \
  | 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: d4d1f2a7e7e03f35843e80879a94164c20af5b52b5f2facb991c1a0da49cd8b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a9610dec2cd031de84c55100baf1d3ffdac15ca29df179415a9ff3769e27046",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2024-07-11T15:57:08Z",
    "title_canon_sha256": "1fdb21162cf0965d82ba856ba90c800575452f9139468b701189131168fd10d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.08620",
    "kind": "arxiv",
    "version": 1
  }
}