Pith Number

pith:6J3ZSRDQ

pith:2016:6J3ZSRDQOJSGFXMBRTKWBFPU4A

not attested not anchored not stored refs pending

Stellar populations in the bulges of isolated galaxies

A. Pizzella, E. Dalla Bont\`a, E. M. Corsini, J. M\`endez-Abreu, L. Costantin, L. Morelli, M. Parmiggiani

arxiv:1609.08866 v1 · 2016-09-28 · 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{6J3ZSRDQOJSGFXMBRTKWBFPU4A}

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	2026-05-18T01:03:13.487001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f277994470726462dd818cd56095f4e037101932f9bcee7b3a819da26c8474c5

Aliases

arxiv: 1609.08866 · arxiv_version: 1609.08866v1 · doi: 10.48550/arxiv.1609.08866 · pith_short_12: 6J3ZSRDQOJSG · pith_short_16: 6J3ZSRDQOJSGFXMB · pith_short_8: 6J3ZSRDQ

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/6J3ZSRDQOJSGFXMBRTKWBFPU4A \
  | 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: f277994470726462dd818cd56095f4e037101932f9bcee7b3a819da26c8474c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72c8a99804ca98e7ccba86718aa06af9e24ac50d54548b9352d5bc1916907eb6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-09-28T11:41:13Z",
    "title_canon_sha256": "a66f95c0e89de5a4e105f60a8afb338e09bf55606757d78f8ee30b5f65c4a8d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.08866",
    "kind": "arxiv",
    "version": 1
  }
}