Pith Number

pith:TW3BFNSV

pith:2015:TW3BFNSVA5U5IPKEK3VJBXYMW6

not attested not anchored not stored refs pending

Hiding in plain sight: An abundance of compact massive spheroids in the local Universe

Alister W. Graham, Bililign T. Dullo, Giulia A. D. Savorgnan

arxiv:1502.07024 v2 · 2015-02-25 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TW3BFNSVA5U5IPKEK3VJBXYMW6}

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	2026-05-18T01:40:54.665309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9db612b6550769d43d4456ea90df0cb7aee7e3f2f1656da9377eb4562b03a56a

Aliases

arxiv: 1502.07024 · arxiv_version: 1502.07024v2 · doi: 10.48550/arxiv.1502.07024 · pith_short_12: TW3BFNSVA5U5 · pith_short_16: TW3BFNSVA5U5IPKE · pith_short_8: TW3BFNSV

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/TW3BFNSVA5U5IPKEK3VJBXYMW6 \
  | 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: 9db612b6550769d43d4456ea90df0cb7aee7e3f2f1656da9377eb4562b03a56a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7417813cb453266a04a8600bef86938a71828d42b295e04d576b481864ff3fb0",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-02-25T01:17:39Z",
    "title_canon_sha256": "9e1b8a568728496c5a455a400ad042260d811f55cd9d30d5b28e09bed98afbf3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07024",
    "kind": "arxiv",
    "version": 2
  }
}