Pith Number

pith:YP5B5YTG

pith:2018:YP5B5YTG4YDRSF2Q2RUGGMFTJ6

not attested not anchored not stored refs pending

Searching for supernovae in the multiply-imaged galaxies behind the gravitational telescope A370

A. Goobar, C. Lidman, D. J. Lagattuta, J. P. Kneib, J. Richard, K. Paech, L. Hangard, R. Amanullah, S. Fabbro, T. Petrushevska

arxiv:1802.10525 v1 · 2018-02-28 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YP5B5YTG4YDRSF2Q2RUGGMFTJ6}

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	2026-05-18T00:11:37.787020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3fa1ee266e607191750d4686330b34f87b7396f025cf7ac13d90407b3a99bab

Aliases

arxiv: 1802.10525 · arxiv_version: 1802.10525v1 · doi: 10.48550/arxiv.1802.10525 · pith_short_12: YP5B5YTG4YDR · pith_short_16: YP5B5YTG4YDRSF2Q · pith_short_8: YP5B5YTG

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/YP5B5YTG4YDRSF2Q2RUGGMFTJ6 \
  | 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: c3fa1ee266e607191750d4686330b34f87b7396f025cf7ac13d90407b3a99bab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9485112b0235a511046cd79134f1051852c217792ab9c1d21899aa54c06685b4",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-02-28T16:40:14Z",
    "title_canon_sha256": "5095b5d5f6f69d08f55156f4d59cedb22ce4623a292b01ba5174901083b20c00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.10525",
    "kind": "arxiv",
    "version": 1
  }
}