Pith Number

pith:OEIP5GMN

pith:2017:OEIP5GMNI5HUC2D7SV6SPLIK63

not attested not anchored not stored refs pending

Entropy? Honest!

Tommaso Toffoli

arxiv:1705.02223 v1 · 2017-05-03 · physics.gen-ph · physics.hist-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{OEIP5GMNI5HUC2D7SV6SPLIK63}

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	2026-05-18T00:44:46.523815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7110fe998d474f41687f957d27ad0af6c2b8ea29e075c10d822cde3ec1503881

Aliases

arxiv: 1705.02223 · arxiv_version: 1705.02223v1 · doi: 10.48550/arxiv.1705.02223 · pith_short_12: OEIP5GMNI5HU · pith_short_16: OEIP5GMNI5HUC2D7 · pith_short_8: OEIP5GMN

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/OEIP5GMNI5HUC2D7SV6SPLIK63 \
  | 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: 7110fe998d474f41687f957d27ad0af6c2b8ea29e075c10d822cde3ec1503881

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41febe218b94547244ffe297f0b2c427b7f94d66b714e4258297ceef1935ae83",
    "cross_cats_sorted": [
      "physics.hist-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2017-05-03T18:10:51Z",
    "title_canon_sha256": "929cb2d4336a1df29cf69df155c7a90320030aee1de2f761c305701bf7f549d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02223",
    "kind": "arxiv",
    "version": 1
  }
}