Pith Number

pith:N4L2DDWR

pith:2025:N4L2DDWRB7G7VV5DXJIUAV5VED

not attested not anchored not stored refs pending

How the arrow of time emerges from Hamiltonian systems by our incomplete knowledge

Katerina Mlada, Michal Pavelka, Vaclav Klika

arxiv:2506.20242 v5 · 2025-06-25 · cond-mat.stat-mech · 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{N4L2DDWRB7G7VV5DXJIUAV5VED}

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	2026-06-10T01:08:28.397888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f17a18ed10fcdfad7a3ba514057b520d7297d5bbf9fd8007e7950504726ac6b

Aliases

arxiv: 2506.20242 · arxiv_version: 2506.20242v5 · doi: 10.48550/arxiv.2506.20242 · pith_short_12: N4L2DDWRB7G7 · pith_short_16: N4L2DDWRB7G7VV5D · pith_short_8: N4L2DDWR

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/N4L2DDWRB7G7VV5DXJIUAV5VED \
  | 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: 6f17a18ed10fcdfad7a3ba514057b520d7297d5bbf9fd8007e7950504726ac6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5fb048a2369611b0a2758517e9e116e5d34daf9086cb4d092a0ba6ff4652950",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2025-06-25T08:37:02Z",
    "title_canon_sha256": "40f3df1d407e40cce1d82a8fb7a00ada58e84a675c4b2e67a8c6f62a66d3bebe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.20242",
    "kind": "arxiv",
    "version": 5
  }
}