Pith Number

pith:C5EMPLEM

pith:2016:C5EMPLEMT22F36NO5V5LOS3JGF

not attested not anchored not stored refs pending

A Hubble Space Telescope Survey for Novae in M87. I. Light and Color Curves, Spatial Distributions and the Nova Rate

David Zurek, D. L. Welch, Edward A. Baltz, J. D. Neill, Joanna Mikolajewska, Juan P. Madrid, Michael M. Shara, Tod R. Lauer, Trisha F. Doyle

arxiv:1602.00758 v3 · 2016-02-02 · astro-ph.SR · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C5EMPLEMT22F36NO5V5LOS3JGF}

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	2026-05-18T00:59:25.987336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1748c7ac8c9eb45df9aeed7ab74b693178ef7ca4b30a3cd650db9f3e77811c9b

Aliases

arxiv: 1602.00758 · arxiv_version: 1602.00758v3 · doi: 10.48550/arxiv.1602.00758 · pith_short_12: C5EMPLEMT22F · pith_short_16: C5EMPLEMT22F36NO · pith_short_8: C5EMPLEM

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/C5EMPLEMT22F36NO5V5LOS3JGF \
  | 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: 1748c7ac8c9eb45df9aeed7ab74b693178ef7ca4b30a3cd650db9f3e77811c9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97fdeba253d1927d8ec992d509edc1c02a75f48b8ab8fffd53295f6e04413409",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-02-02T01:04:34Z",
    "title_canon_sha256": "93175c17fa05f6b89dab3f5d53ce2d9b55158873d4e6bdd0050bba2a2721af4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.00758",
    "kind": "arxiv",
    "version": 3
  }
}