Pith Number

pith:ZA2C5IIN

pith:2015:ZA2C5IINW24Q7SQ6S2GRIDBUPT

not attested not anchored not stored refs pending

Development of Zeldovich's approach for cosmological distances measurement in the Friedmann Universe

Aleksey Nikolaev, Sergey Chervon

arxiv:1504.05033 v2 · 2015-04-20 · 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{ZA2C5IINW24Q7SQ6S2GRIDBUPT}

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	2026-05-18T01:17:33.162770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8342ea10db6b90fca1e968d140c347cc90c295b8a54e7dae9c1c26ef6543304

Aliases

arxiv: 1504.05033 · arxiv_version: 1504.05033v2 · doi: 10.48550/arxiv.1504.05033 · pith_short_12: ZA2C5IINW24Q · pith_short_16: ZA2C5IINW24Q7SQ6 · pith_short_8: ZA2C5IIN

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/ZA2C5IINW24Q7SQ6S2GRIDBUPT \
  | 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: c8342ea10db6b90fca1e968d140c347cc90c295b8a54e7dae9c1c26ef6543304

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4384ea393170a03efe3d07629a123e9bf55869a62c4038ba4c2e49c01b3adb78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-04-20T12:34:47Z",
    "title_canon_sha256": "7f0b00c556b5437c9258d0d8b4ae339bf18ac8b61fd922c3de4254c7fe10f281"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05033",
    "kind": "arxiv",
    "version": 2
  }
}