Pith Number

pith:ZVSN26W2

pith:2015:ZVSN26W2ZJPTKOUVOMG63FNUY3

not attested not anchored not stored refs pending

The Infinity Pool

Abraham Loeb (Harvard)

arxiv:1507.02524 v1 · 2015-07-07 · astro-ph.IM · physics.hist-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZVSN26W2ZJPTKOUVOMG63FNUY3}

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	2026-05-18T01:37:03.434994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd64dd7adaca5f353a95730ded95b4c6de368c0767c926eec6bff04d4737885d

Aliases

arxiv: 1507.02524 · arxiv_version: 1507.02524v1 · doi: 10.48550/arxiv.1507.02524 · pith_short_12: ZVSN26W2ZJPT · pith_short_16: ZVSN26W2ZJPTKOUV · pith_short_8: ZVSN26W2

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/ZVSN26W2ZJPTKOUVOMG63FNUY3 \
  | 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: cd64dd7adaca5f353a95730ded95b4c6de368c0767c926eec6bff04d4737885d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee7cdf74f487c829140a8b4fbd88b8bdb59bf281e6b256c6d5259dc171b64510",
    "cross_cats_sorted": [
      "physics.hist-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-07-07T20:42:02Z",
    "title_canon_sha256": "4b0f7a4c2f6b8cf560512e85a6c19a9b3fc4b6d7846513cf66e54b90ce31e7e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02524",
    "kind": "arxiv",
    "version": 1
  }
}