Pith Number

pith:YT244O7M

pith:2016:YT244O7MAR7CG4G6RFDCXG6HQC

not attested not anchored not stored refs pending

Young and turbulent: the early life of massive galaxy progenitors

2), (2) ICS, (3) UCSC, 4), (4) IAP, (5) Bicocca, 6), (6) INFN, 7) ((1) IoA, (7) DiSAT, Alessandro Lupi (4), Cambridge, Como), Davide Fiacconi (1, Francesco Haardt (6, Lucio Mayer (2), Massimo Dotti (5, Milan, Paris, Piero Madau (3, Zurich

arxiv:1609.09499 v2 · 2016-09-29 · astro-ph.GA · 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{YT244O7MAR7CG4G6RFDCXG6HQC}

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	2026-05-18T00:46:16.250642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4f5ce3bec047e2370de89462b9bc78080f37d60e5b80dc862071366bab72c2a

Aliases

arxiv: 1609.09499 · arxiv_version: 1609.09499v2 · doi: 10.48550/arxiv.1609.09499 · pith_short_12: YT244O7MAR7C · pith_short_16: YT244O7MAR7CG4G6 · pith_short_8: YT244O7M

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/YT244O7MAR7CG4G6RFDCXG6HQC \
  | 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: c4f5ce3bec047e2370de89462b9bc78080f37d60e5b80dc862071366bab72c2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d98233657145d0e337cf4a9234a4a6699e7498756f289008339e568938677d7d",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-09-29T20:00:01Z",
    "title_canon_sha256": "be18ca3695d41d5e75201494a24e3198f697d3418245614ed3140816462e67aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.09499",
    "kind": "arxiv",
    "version": 2
  }
}