Pith Number

pith:4EYTNVYC

pith:2017:4EYTNVYCV5SLMDCJDZDEREPSVN

not attested not anchored not stored refs pending

A core-halo pattern of entropy creation in gravitational collapse

Andrew J. Wren

arxiv:1706.03487 v4 · 2017-06-12 · astro-ph.CO · astro-ph.GA · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4EYTNVYCV5SLMDCJDZDEREPSVN}

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	2026-05-18T00:14:56.923640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e13136d702af64b60c491e464891f2ab51a8540bf3897aafc9787ce1b0c2eaa6

Aliases

arxiv: 1706.03487 · arxiv_version: 1706.03487v4 · doi: 10.48550/arxiv.1706.03487 · pith_short_12: 4EYTNVYCV5SL · pith_short_16: 4EYTNVYCV5SLMDCJ · pith_short_8: 4EYTNVYC

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/4EYTNVYCV5SLMDCJDZDEREPSVN \
  | 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: e13136d702af64b60c491e464891f2ab51a8540bf3897aafc9787ce1b0c2eaa6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fde4f0050af5cbf255a0db225a107a98b9c6564bac8d9ea0e995ebcfb34fc07b",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-06-12T06:54:01Z",
    "title_canon_sha256": "672610e365bab55a60bcbfcf324c8811fc7d8209bd731c3d4548c5da1cbdddb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.03487",
    "kind": "arxiv",
    "version": 4
  }
}