Pith Number

pith:LYISMAZL

pith:2012:LYISMAZLNRESAPC4B6QE5S5DIG

not attested not anchored not stored refs pending

Observational constraints on a cosmological model with Lagrange multipliers

Antonella Cid, Pedro Labrana

arxiv:1209.2339 v1 · 2012-09-11 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LYISMAZLNRESAPC4B6QE5S5DIG}

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	2026-05-18T01:54:30.500659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e1126032b6c49203c5c0fa04ecba3418e42f68acccc3a8e0f3afb31549f3b5f

Aliases

arxiv: 1209.2339 · arxiv_version: 1209.2339v1 · doi: 10.48550/arxiv.1209.2339 · pith_short_12: LYISMAZLNRES · pith_short_16: LYISMAZLNRESAPC4 · pith_short_8: LYISMAZL

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/LYISMAZLNRESAPC4B6QE5S5DIG \
  | 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: 5e1126032b6c49203c5c0fa04ecba3418e42f68acccc3a8e0f3afb31549f3b5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cf4142262dbf03c52944f17ebaeb6031e82e77c11a7924ef0ad7da802ee996a",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-11T14:49:30Z",
    "title_canon_sha256": "60cf1ffdc9d7dbe335afd8128fd260b6f20466a98de482caeebd996cad95605b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2339",
    "kind": "arxiv",
    "version": 1
  }
}