Pith Number

pith:4KOLVQUF

pith:2017:4KOLVQUF6L2IKPJ5RUP3KBUGXW

not attested not anchored not stored refs pending

First results from GeMS/GSAOI for project SUNBIRD: Supernovae UNmasked By Infra-Red Detection

A. Alberdi, A. Efstathiou, C. Baldwin, C. Romero-Ca\~nizales, E. C. Kool, E. Kankare, F. E. Bauer, J. Kotilainen, M. A. P\'erez-Torres, M. Schirmer, P. V\"ais\"anen, R. Herrero-Illana, R. M. McDermid, S. Mattila, S. Ryder, T. Reynolds

arxiv:1709.08307 v1 · 2017-09-25 · astro-ph.GA · astro-ph.CO · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4KOLVQUF6L2IKPJ5RUP3KBUGXW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:27:43.158591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e29cbac285f2f4853d3d8d1fb50686bdbd48ce00e2f6104e5114fa0f3d17749b

Aliases

arxiv: 1709.08307 · arxiv_version: 1709.08307v1 · doi: 10.48550/arxiv.1709.08307 · pith_short_12: 4KOLVQUF6L2I · pith_short_16: 4KOLVQUF6L2IKPJ5 · pith_short_8: 4KOLVQUF

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/4KOLVQUF6L2IKPJ5RUP3KBUGXW \
  | 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: e29cbac285f2f4853d3d8d1fb50686bdbd48ce00e2f6104e5114fa0f3d17749b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f2b7f478277651ec0f6e33203e238baf84c28ed080e032c09d9c6de75fdb85a",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-09-25T03:53:29Z",
    "title_canon_sha256": "e5e16e80de3fe8a383306a235b718142552eb1eafe3925255ca0d5b64604e9b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.08307",
    "kind": "arxiv",
    "version": 1
  }
}