Pith Number

pith:3IP6DAL6

pith:2013:3IP6DAL6ECMNCHWDHOJ6UCD33Y

not attested not anchored not stored refs pending

Unimodular Cosmological Space-times

Enrique Alvarez, Mario Herrero-Valea

arxiv:1302.7137 v2 · 2013-02-28 · 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{3IP6DAL6ECMNCHWDHOJ6UCD33Y}

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	2026-05-18T03:10:45.861512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da1fe1817e2098d11ec33b93ea087bde17acbe28710d57245873a0351e139aed

Aliases

arxiv: 1302.7137 · arxiv_version: 1302.7137v2 · doi: 10.48550/arxiv.1302.7137 · pith_short_12: 3IP6DAL6ECMN · pith_short_16: 3IP6DAL6ECMNCHWD · pith_short_8: 3IP6DAL6

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/3IP6DAL6ECMNCHWDHOJ6UCD33Y \
  | 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: da1fe1817e2098d11ec33b93ea087bde17acbe28710d57245873a0351e139aed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24080ab6c6b201387ba010bbedb823cc564b9a9e181231483a33a3367d56b368",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-02-28T10:15:23Z",
    "title_canon_sha256": "b420bb44ac6365bc87265aaac1df2936aef90c2e4df37dc0c761c419b1817f05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.7137",
    "kind": "arxiv",
    "version": 2
  }
}