Pith Number

pith:3G72EG5D

pith:2011:3G72EG5DYVUT7K7URKVAT5X425

not attested not anchored not stored refs pending

Intermediate-age Stars as Origin of Low Stellar velocity Dispersion Nuclear Rings: the case of Mrk 1157

Fabricio Ferrari, Rogemar Andr\'e Riffel, Rog\'erio Riffel, Thaisa Storchi-Bergmann

arxiv:1105.2487 v2 · 2011-05-12 · 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{3G72EG5DYVUT7K7URKVAT5X425}

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	2026-05-18T02:01:59.134594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9bfa21ba3c5693fabf48aaa09f6fcd758e27c29b8c21a142d65998d68bebb45

Aliases

arxiv: 1105.2487 · arxiv_version: 1105.2487v2 · doi: 10.48550/arxiv.1105.2487 · pith_short_12: 3G72EG5DYVUT · pith_short_16: 3G72EG5DYVUT7K7U · pith_short_8: 3G72EG5D

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/3G72EG5DYVUT7K7URKVAT5X425 \
  | 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: d9bfa21ba3c5693fabf48aaa09f6fcd758e27c29b8c21a142d65998d68bebb45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8d7b4371a4da43215d7dafb3a07af0d483ca065d114166ab8311695b6cbd59a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-05-12T14:37:08Z",
    "title_canon_sha256": "0b61a9c0a992b9c0cccf32ca49fcd8d66c45e3f9f426d58a7c098830be57e969"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2487",
    "kind": "arxiv",
    "version": 2
  }
}