Pith Number

pith:NTRJ6BDR

pith:2021:NTRJ6BDRL724AAAJWV4OMV7PQY

not attested not anchored not stored refs pending

Hierarchical fragmentation in high redshift galaxies revealed by hydrodynamical simulations

Andreas Burkert, Baptiste Faure, Emanuele Daddi, Fr\'ed\'eric Bournaud, J\'er\'emy Fensch, Johan Richard, Manuel Behrendt

arxiv:2101.11013 v2 · 2021-01-26 · 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{NTRJ6BDRL724AAAJWV4OMV7PQY}

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	2026-07-05T02:14:00.425632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ce29f04715ff5c00009b578e657ef8614064465958421f0c2bbf8357c6f60b1

Aliases

arxiv: 2101.11013 · arxiv_version: 2101.11013v2 · doi: 10.48550/arxiv.2101.11013 · pith_short_12: NTRJ6BDRL724 · pith_short_16: NTRJ6BDRL724AAAJ · pith_short_8: NTRJ6BDR

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/NTRJ6BDRL724AAAJWV4OMV7PQY \
  | 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: 6ce29f04715ff5c00009b578e657ef8614064465958421f0c2bbf8357c6f60b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdc81aaf7e6f1d5f76fececf5dd71e0e4e2d44679417a45efa05ecf1dcd1e68d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-01-26T19:00:01Z",
    "title_canon_sha256": "db3e444570447fe0f5a98201af5dbf458a1453a6d90387c6aed848fa3844bf7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.11013",
    "kind": "arxiv",
    "version": 2
  }
}