Pith Number

pith:QNGEMBAJ

pith:2023:QNGEMBAJNGBGTP27GADE52RQ2M

not attested not anchored not stored refs pending

The PAU Survey: Classifying low-z SEDs using Machine Learning clustering

A.L. Gonz\'alez-Mor\'an, C. Mu\~n\'oz-Tu\~n\'on, C. Padilla, D. Navarro-Giron\'es, E. Fernandez, E. Gazta\~naga, E. Sanchez, F.J. Castander, I. Sevilla-Noarbe, J. Calhau, J. De Vicente, J. Garcia-Bellido, J.M. Rodr\'iguez-Espinosa, J. S\'anchez-Almeida, L. Cabayol, P. Arrabal Haro, P. Renard, R. Miquel

arxiv:2307.13840 v1 · 2023-07-25 · 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{QNGEMBAJNGBGTP27GADE52RQ2M}

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	2026-07-05T06:34:53.863039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

834c460409698269bf5f30064eea30d33f4856ab82b9c1573f62a78aa4b98919

Aliases

arxiv: 2307.13840 · arxiv_version: 2307.13840v1 · doi: 10.48550/arxiv.2307.13840 · pith_short_12: QNGEMBAJNGBG · pith_short_16: QNGEMBAJNGBGTP27 · pith_short_8: QNGEMBAJ

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/QNGEMBAJNGBGTP27GADE52RQ2M \
  | 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: 834c460409698269bf5f30064eea30d33f4856ab82b9c1573f62a78aa4b98919

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ab42427c9c3864e4e07c770cdf4043e7c7f624189a1b8687751e7654d2c9cf7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-07-25T22:23:32Z",
    "title_canon_sha256": "fcaf90c2fe1229137e7c32e503829179ad86f75d1d3d4e4421953e734371d05e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.13840",
    "kind": "arxiv",
    "version": 1
  }
}