Pith Number

pith:A2CU4EWA

pith:2016:A2CU4EWAXHN4WS3R6BBOWCXKAM

not attested not anchored not stored refs pending

Distinguishability notion based on Wootters statistical distance: application to discrete maps

Ignacio S. Gomez, Mariela Portesi, Pedro W. Lamberti

arxiv:1610.07941 v2 · 2016-10-24 · nlin.CD · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A2CU4EWAXHN4WS3R6BBOWCXKAM}

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	2026-05-18T00:35:24.451620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06854e12c0b9dbcb4b71f042eb0aea03066e45e7e92538572d712c3571ab3d6a

Aliases

arxiv: 1610.07941 · arxiv_version: 1610.07941v2 · doi: 10.48550/arxiv.1610.07941 · pith_short_12: A2CU4EWAXHN4 · pith_short_16: A2CU4EWAXHN4WS3R · pith_short_8: A2CU4EWA

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/A2CU4EWAXHN4WS3R6BBOWCXKAM \
  | 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: 06854e12c0b9dbcb4b71f042eb0aea03066e45e7e92538572d712c3571ab3d6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f39a6f476cb7dc49d3b15a05b587a5359039f2095c21bfb131bf3ae48c4e33cf",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2016-10-24T01:45:54Z",
    "title_canon_sha256": "800675ed12bf513e3e031f5a41c4614d482cf87b4302e7aa8eef0813938cb0c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.07941",
    "kind": "arxiv",
    "version": 2
  }
}