Pith Number

pith:LNLZMLTE

pith:2018:LNLZMLTEUXE6YO2YTSG7HWAFI3

not attested not anchored not stored refs pending

A Hubble Space Telescope Survey for Novae in the Globular Clusters of M87

Alec Lessing, David Zurek, Michael M. Shara, Tricia F. Doyle

arxiv:1810.12471 v1 · 2018-10-30 · astro-ph.SR · 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{LNLZMLTEUXE6YO2YTSG7HWAFI3}

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	2026-05-17T23:49:40.738811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b57962e64a5c9ec3b589c8df3d80546cf9717a7fc711ecbcf92c81018c82a27

Aliases

arxiv: 1810.12471 · arxiv_version: 1810.12471v1 · doi: 10.48550/arxiv.1810.12471 · pith_short_12: LNLZMLTEUXE6 · pith_short_16: LNLZMLTEUXE6YO2Y · pith_short_8: LNLZMLTE

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/LNLZMLTEUXE6YO2YTSG7HWAFI3 \
  | 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: 5b57962e64a5c9ec3b589c8df3d80546cf9717a7fc711ecbcf92c81018c82a27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b9c0956a081c60eb4739dd711de6f27c0ac860b8f5d27988a8612c34bfe96cb",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-10-30T00:55:32Z",
    "title_canon_sha256": "84cb1362c6b2e47aa3b0a814893659b4449a8220af95e803aa235ccff1a98538"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.12471",
    "kind": "arxiv",
    "version": 1
  }
}