Pith Number

pith:UBNOMPUN

pith:2015:UBNOMPUNFU4R6VNRMIJHMFMXRE

not attested not anchored not stored refs pending

The Elusive Present: Hidden Past and Future Dependency and Why We Build Models

James P. Crutchfield, Pooneh M. Ara, Ryan G. James

arxiv:1507.00672 v1 · 2015-07-02 · cond-mat.stat-mech · cs.IT · math.DS · math.IT · nlin.CD · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UBNOMPUNFU4R6VNRMIJHMFMXRE}

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	2026-05-18T01:19:30.069136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a05ae63e8d2d391f55b162127615978929abdd434d4c0a0ef9e8ab47fe76724f

Aliases

arxiv: 1507.00672 · arxiv_version: 1507.00672v1 · doi: 10.48550/arxiv.1507.00672 · pith_short_12: UBNOMPUNFU4R · pith_short_16: UBNOMPUNFU4R6VNR · pith_short_8: UBNOMPUN

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/UBNOMPUNFU4R6VNRMIJHMFMXRE \
  | 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: a05ae63e8d2d391f55b162127615978929abdd434d4c0a0ef9e8ab47fe76724f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d77cec6b34e7de6bac3ab1b7f937c279e200b6a8cda1b0b3f41e64a4f22593a6",
    "cross_cats_sorted": [
      "cs.IT",
      "math.DS",
      "math.IT",
      "nlin.CD",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2015-07-02T17:34:53Z",
    "title_canon_sha256": "d5a273b00cb710fe4eec9a495dc9b7dd0343463599f3b8a866d90d475a59fa26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.00672",
    "kind": "arxiv",
    "version": 1
  }
}