Pith Number

pith:E3ZB3J7Y

pith:2020:E3ZB3J7YHPOG5G4HVOMKVZ2CG5

not attested not anchored not stored refs pending

Stellar velocity dispersion and initial mass function gradients in dissipationless galaxy mergers

Alessandro Sonnenfeld, Carlo Cannarozzo, Carlo Nipoti, Francesco Calura, Tommaso Treu

arxiv:2009.05583 v1 · 2020-09-11 · 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{E3ZB3J7YHPOG5G4HVOMKVZ2CG5}

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	2026-07-05T01:42:45.958699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26f21da7f83bdc6e9b87ab98aae74237628ab249d801d0fe30a8ae8c29ca2b50

Aliases

arxiv: 2009.05583 · arxiv_version: 2009.05583v1 · doi: 10.48550/arxiv.2009.05583 · pith_short_12: E3ZB3J7YHPOG · pith_short_16: E3ZB3J7YHPOG5G4H · pith_short_8: E3ZB3J7Y

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/E3ZB3J7YHPOG5G4HVOMKVZ2CG5 \
  | 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: 26f21da7f83bdc6e9b87ab98aae74237628ab249d801d0fe30a8ae8c29ca2b50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "638e3d96a459916913df8bc9f942c4df923ec4769e4b799487dfb0c77b4ed80a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-09-11T18:00:07Z",
    "title_canon_sha256": "9b9206645b1b93ac272b7762220b617402258a7a1a644192d797af1ac1b49902"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.05583",
    "kind": "arxiv",
    "version": 1
  }
}