Pith Number

pith:D4IYMMOA

pith:2019:D4IYMMOA2PLIPKMOMTFH2IKTAE

not attested not anchored not stored refs pending

Properties of extragalactic thick discs recovered from ultra-deep Stripe82 imaging

C. Mart\'inez-Lombilla, J. H. Knapen

arxiv:1907.02995 v2 · 2019-07-05 · 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{D4IYMMOA2PLIPKMOMTFH2IKTAE}

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	2026-07-05T00:00:09.049823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f118631c0d3d687a98e64ca7d21530114a6d69158a77b0b5ca48bf43e046a89

Aliases

arxiv: 1907.02995 · arxiv_version: 1907.02995v2 · doi: 10.48550/arxiv.1907.02995 · pith_short_12: D4IYMMOA2PLI · pith_short_16: D4IYMMOA2PLIPKMO · pith_short_8: D4IYMMOA

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/D4IYMMOA2PLIPKMOMTFH2IKTAE \
  | 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: 1f118631c0d3d687a98e64ca7d21530114a6d69158a77b0b5ca48bf43e046a89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "299c777008f8a8457e5f6f54442b27c6484b61cad2f64a8ba74a6f9259fc0727",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-07-05T18:46:14Z",
    "title_canon_sha256": "047ebd33ea3156791f0182de41ad406bec8031c199d6b23478c0ae9ff227c018"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.02995",
    "kind": "arxiv",
    "version": 2
  }
}