Pith Number

pith:VO5UH4CZ

pith:2019:VO5UH4CZLD4KGWI2IGDJCYC6P2

not attested not anchored not stored refs pending

Tetrad formalism for exact cosmological observables

Ermis Mitsou, Jaiyul Yoo

arxiv:1908.10757 v2 · 2019-08-28 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VO5UH4CZLD4KGWI2IGDJCYC6P2}

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	2026-07-05T01:15:22.735392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abbb43f05958f8a3591a418691605e7e933c1423d1b4a815296b92fc3df5a11b

Aliases

arxiv: 1908.10757 · arxiv_version: 1908.10757v2 · doi: 10.48550/arxiv.1908.10757 · pith_short_12: VO5UH4CZLD4K · pith_short_16: VO5UH4CZLD4KGWI2 · pith_short_8: VO5UH4CZ

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/VO5UH4CZLD4KGWI2IGDJCYC6P2 \
  | 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: abbb43f05958f8a3591a418691605e7e933c1423d1b4a815296b92fc3df5a11b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12deb78ce5b6c253670888cf171df3e1a13aeee6a85b7263a36b230d90cf5a47",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-08-28T14:56:43Z",
    "title_canon_sha256": "acf2e53411671bf16503b31669e4f51716d1e49edc14c46de40960aaa5e01494"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.10757",
    "kind": "arxiv",
    "version": 2
  }
}