Pith Number

pith:3JRZUPHO

pith:2013:3JRZUPHOHR7VCQTSNXLEKSPXQ3

not attested not anchored not stored refs pending

Adaptive Coarse Graining, Environment, Strong Decoherence, and Quasiclassical Realms

James B. Hartle, Murray Gell-Mann

arxiv:1312.7454 v1 · 2013-12-28 · quant-ph · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3JRZUPHOHR7VCQTSNXLEKSPXQ3}

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	2026-05-18T02:51:01.081235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da639a3cee3c7f5142726dd64549f786f4ba8d2b27cc575e0fd0a783fef5218a

Aliases

arxiv: 1312.7454 · arxiv_version: 1312.7454v1 · doi: 10.48550/arxiv.1312.7454 · pith_short_12: 3JRZUPHOHR7V · pith_short_16: 3JRZUPHOHR7VCQTS · pith_short_8: 3JRZUPHO

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/3JRZUPHOHR7VCQTSNXLEKSPXQ3 \
  | 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: da639a3cee3c7f5142726dd64549f786f4ba8d2b27cc575e0fd0a783fef5218a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86b5214bb7a2d67f2cd34a35e4b98958e665a2cb4876caef606b16b67110ba81",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-12-28T17:41:05Z",
    "title_canon_sha256": "1c8030591fcf48c3ab3ff560cc1680949392427462828545af79f37824fe519c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.7454",
    "kind": "arxiv",
    "version": 1
  }
}