pith. sign in
Pith Number

pith:JKVK72PB

pith:2018:JKVK72PBNE2LGZS6GHOUODPD7M
not attested not anchored not stored refs pending

Deep spectroscopy of nearby galaxy clusters: IV The quench of the star formation in galaxies in the infall region of Abell\ 85

I. Agulli, J. A. L. Aguerri, J. Mendez-Abreu

arxiv:1803.03045 v1 · 2018-03-08 · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JKVK72PBNE2LGZS6GHOUODPD7M}

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 2026-05-18T00:20:01.615872Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4aaaafe9e16934b3665e31dd470de3fb0c554e5c41c4bbf973809cf1ff757560

Aliases

arxiv: 1803.03045 · arxiv_version: 1803.03045v1 · doi: 10.48550/arxiv.1803.03045 · pith_short_12: JKVK72PBNE2L · pith_short_16: JKVK72PBNE2LGZS6 · pith_short_8: JKVK72PB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JKVK72PBNE2LGZS6GHOUODPD7M \
  | 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: 4aaaafe9e16934b3665e31dd470de3fb0c554e5c41c4bbf973809cf1ff757560
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e1d1303f0d6b45f3a6367a5b4edf04c743d4de4d86bb65ddc15d9346afcc1b99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-03-08T11:25:09Z",
    "title_canon_sha256": "b62a83f047b4924cd06090f6e60534311ebedde303f03b3d180807fbd49a5d72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03045",
    "kind": "arxiv",
    "version": 1
  }
}