Pith Number

pith:S25SIG3V

pith:2019:S25SIG3VIU5E3DC6X7EBCOFDQ2

not attested not anchored not stored refs pending

Galaxies hosting an AGN: a view from the CALIFA survey

Carlos Espinosa-Ponce, Carlos L\'opez-Cob\'a, Eduardo A. D. Lacerda, L. Galbany, R. Cid Fernandes, Sebasti\'an F. S\'anchez

arxiv:2001.00099 v1 · 2019-12-31 · 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{S25SIG3VIU5E3DC6X7EBCOFDQ2}

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	2026-07-05T00:34:50.731716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96bb241b75453a4d8c5ebfc81138a386b9750cc2709ddbedf70079e95e1c5e5c

Aliases

arxiv: 2001.00099 · arxiv_version: 2001.00099v1 · doi: 10.48550/arxiv.2001.00099 · pith_short_12: S25SIG3VIU5E · pith_short_16: S25SIG3VIU5E3DC6 · pith_short_8: S25SIG3V

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/S25SIG3VIU5E3DC6X7EBCOFDQ2 \
  | 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: 96bb241b75453a4d8c5ebfc81138a386b9750cc2709ddbedf70079e95e1c5e5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07a8a3166dfbb078138c7624612eb316570dc1c61394455852d90388e1be290d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-12-31T22:39:38Z",
    "title_canon_sha256": "44ce62800f8f0acc020dc04f33825a77ff676bf7fdb0b690514ffcb188c646d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.00099",
    "kind": "arxiv",
    "version": 1
  }
}