Pith Number

pith:RVTFJC2T

pith:2015:RVTFJC2TLB23VBNYNNUJGLUP3X

not attested not anchored not stored refs pending

What did Erwin Mean? The Physics of Information from the Materials Genomics of Aperiodic Crystals and Water to Molecular Information Catalysts and Life

Dowman P. Varn, James P. Crutchfield

arxiv:1510.02778 v1 · 2015-10-09 · cond-mat.mtrl-sci · cond-mat.stat-mech · nlin.AO · q-bio.BM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RVTFJC2TLB23VBNYNNUJGLUP3X}

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	2026-05-18T01:16:17.669375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d66548b535875ba85b86b68932e8fddefc62b2526ddd36ff90f730ac08f4d53

Aliases

arxiv: 1510.02778 · arxiv_version: 1510.02778v1 · doi: 10.48550/arxiv.1510.02778 · pith_short_12: RVTFJC2TLB23 · pith_short_16: RVTFJC2TLB23VBNY · pith_short_8: RVTFJC2T

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/RVTFJC2TLB23VBNYNNUJGLUP3X \
  | 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: 8d66548b535875ba85b86b68932e8fddefc62b2526ddd36ff90f730ac08f4d53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6cc788870c5c4f22a1f35980004a00867eb8410b807022d9e531b98a65515e1",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "nlin.AO",
      "q-bio.BM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2015-10-09T19:33:16Z",
    "title_canon_sha256": "d1b6dc9db34e85e727ef14f87d20e62a62c62930b1ca625417bcd47d9192784b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.02778",
    "kind": "arxiv",
    "version": 1
  }
}