Pith Number

pith:T72JV3CU

pith:2015:T72JV3CUPK7FTKHVMSKK2CXTAV

not attested not anchored not stored refs pending

The strange evolution of the Large Magellanic Cloud Cepheid OGLE-LMC-CEP1812

Hilding R. Neilson, Norbert Langer, Richard Ignace, Robert G. Izzard

arxiv:1508.02725 v1 · 2015-08-11 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T72JV3CUPK7FTKHVMSKK2CXTAV}

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	2026-05-18T01:32:59.249406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ff49aec547abe59a8f56494ad0af3055ba0573be37ad7944b352ebed7b07233

Aliases

arxiv: 1508.02725 · arxiv_version: 1508.02725v1 · doi: 10.48550/arxiv.1508.02725 · pith_short_12: T72JV3CUPK7F · pith_short_16: T72JV3CUPK7FTKHV · pith_short_8: T72JV3CU

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/T72JV3CUPK7FTKHVMSKK2CXTAV \
  | 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: 9ff49aec547abe59a8f56494ad0af3055ba0573be37ad7944b352ebed7b07233

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "359a5eca96eac892d06e8fb647e858e32b5c30307e1f4b0ace2819ea092f0805",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-08-11T20:11:17Z",
    "title_canon_sha256": "833cbe031e35fc076a9823c79678c27088518ef26650e89c59b8b68a88a94578"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.02725",
    "kind": "arxiv",
    "version": 1
  }
}