Pith Number

pith:SMGRE3UC

pith:2010:SMGRE3UCKRGE43M5GENQO5VD63

not attested not anchored not stored refs pending

Stellar populations of Virgo cluster early-type dwarf galaxies with and without discs: a dichotomy in age?

E. Grebel, H. Kuntschner, K. Glatt, S. Paudel, T. Lisker

arxiv:1002.2301 v1 · 2010-02-11 · astro-ph.CO · 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{SMGRE3UCKRGE43M5GENQO5VD63}

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	2026-05-18T02:09:09.473524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

930d126e82544c4e6d9d311b0776a3f6e17151a8873e6a8e7173be3092ead334

Aliases

arxiv: 1002.2301 · arxiv_version: 1002.2301v1 · doi: 10.48550/arxiv.1002.2301 · pith_short_12: SMGRE3UCKRGE · pith_short_16: SMGRE3UCKRGE43M5 · pith_short_8: SMGRE3UC

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/SMGRE3UCKRGE43M5GENQO5VD63 \
  | 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: 930d126e82544c4e6d9d311b0776a3f6e17151a8873e6a8e7173be3092ead334

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9198f5945a38b28252ba4d94b82b8131c926f8eb8761bdfddecda8a48a89af49",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-02-11T09:05:24Z",
    "title_canon_sha256": "16337e9e16b37f77f52f7574f8a2bb883bd0972fa54d604ee9de9c2ce45d89bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.2301",
    "kind": "arxiv",
    "version": 1
  }
}