Pith Number

pith:ZL2Q7HGB

pith:2015:ZL2Q7HGBZ5WZQ5PH7YAMOLQHYE

not attested not anchored not stored refs pending

BATC 15 Band Photometry of the Open Cluster NGC 188

2), (2) University of Chinese Academy of Sciences), Chinese Academy of Sciences, Jiaxin Wang (1, Jun Ma (1), National Astronomical Observatories, Song Wang (1), Xu Zhou (1) ((1) Key Laboratory of Optical Astronomy, Zhenyu Wu (1)

arxiv:1506.07402 v1 · 2015-06-24 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZL2Q7HGBZ5WZQ5PH7YAMOLQHYE}

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	2026-05-18T01:35:46.511879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

caf50f9cc1cf6d9875e7fe00c72e07c111a1bfe71b8dd3c1d9df6c68af364ca3

Aliases

arxiv: 1506.07402 · arxiv_version: 1506.07402v1 · doi: 10.48550/arxiv.1506.07402 · pith_short_12: ZL2Q7HGBZ5WZ · pith_short_16: ZL2Q7HGBZ5WZQ5PH · pith_short_8: ZL2Q7HGB

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/ZL2Q7HGBZ5WZQ5PH7YAMOLQHYE \
  | 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: caf50f9cc1cf6d9875e7fe00c72e07c111a1bfe71b8dd3c1d9df6c68af364ca3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5d497d06da5350ec868df34103eb3df8db3bd90714cf94a31c2d9c32796e530",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-06-24T14:52:42Z",
    "title_canon_sha256": "c5cdeeac3b8a351624c6724a44d2b314cc29ac98cb9c87c0a6c12fcc47ab23a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07402",
    "kind": "arxiv",
    "version": 1
  }
}