pith. sign in
Pith Number

pith:3VHHPLM6

pith:2014:3VHHPLM65QBL6FK442SH34Z2AM
not attested not anchored not stored refs pending

The innermost globular clusters of M87

J. A. Acosta-Pulido, J. A. Fernandez-Ontiveros, M. A. Prieto, M. Montes

arxiv:1405.2920 v1 · 2014-05-12 · astro-ph.GA · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{3VHHPLM65QBL6FK442SH34Z2AM}

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 2026-05-18T01:43:14.924525Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

dd4e77ad9eec02bf155ce6a47df33a03049c69c3cf83e7d0ccaa3c2a2375b2cf

Aliases

arxiv: 1405.2920 · arxiv_version: 1405.2920v1 · doi: 10.48550/arxiv.1405.2920 · pith_short_12: 3VHHPLM65QBL · pith_short_16: 3VHHPLM65QBL6FK4 · pith_short_8: 3VHHPLM6
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/3VHHPLM65QBL6FK442SH34Z2AM \
  | 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: dd4e77ad9eec02bf155ce6a47df33a03049c69c3cf83e7d0ccaa3c2a2375b2cf
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "09c45c1e78b09801907c0d856abcb266eb0a1cf23ab8d5c9b4a09cba83bf4bf2",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-05-12T20:00:00Z",
    "title_canon_sha256": "41de1c1ef144e443e47769fdc5f23f77a1d43b2785fead0cd5df8dfc0a680083"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2920",
    "kind": "arxiv",
    "version": 1
  }
}