Pith Number

pith:Q2PONKDL

pith:2018:Q2PONKDLQ4WJWE7YD22WF2H6DK

not attested not anchored not stored refs pending

Near-infrared Mira Period-Luminosity Relations in M33

Atefeh Javadi, Jianhua Z. Huang, Lucas M. Macri, Wenlong Yuan, Zhenfeng Lin

arxiv:1807.03544 v1 · 2018-07-10 · astro-ph.SR · astro-ph.GA · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q2PONKDLQ4WJWE7YD22WF2H6DK}

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	2026-05-18T00:07:06.274371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

869ee6a86b872c9b13f81eb562e8fe1a8004c0cd5e111e93912ef700a0aee9f6

Aliases

arxiv: 1807.03544 · arxiv_version: 1807.03544v1 · doi: 10.48550/arxiv.1807.03544 · pith_short_12: Q2PONKDLQ4WJ · pith_short_16: Q2PONKDLQ4WJWE7Y · pith_short_8: Q2PONKDL

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/Q2PONKDLQ4WJWE7YD22WF2H6DK \
  | 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: 869ee6a86b872c9b13f81eb562e8fe1a8004c0cd5e111e93912ef700a0aee9f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a271a356939fcfa83f710712512bf125189e93549201a9b71663081870b4304f",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-07-10T09:20:39Z",
    "title_canon_sha256": "d89aa9063b0f48893b1dc19eb85c62b01f18c75001a76d72ae995b87105d30a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.03544",
    "kind": "arxiv",
    "version": 1
  }
}