Pith Number

pith:MAC22VIR

pith:2019:MAC22VIRDNL7UJWVBVMVXQDSVP

not attested not anchored not stored refs pending

Non-parametric Star Formation History Reconstruction with Gaussian Processes I: Counting Major Episodes of Star Formation

Anton M. Koekemoer, Camilla Pacifici, Eric Gawiser, Henry C. Ferguson, Kartheik G. Iyer, Rachel Somerville, Sandra M. Faber

arxiv:1901.02877 v1 · 2019-01-09 · 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{MAC22VIRDNL7UJWVBVMVXQDSVP}

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.

Cited by

2 papers in Pith

Beyond UVJ: More Efficient Selection of Quiescent Galaxies With UV / Mid-IR Fluxes

Massive Galaxies Form Early and Gray: Stellar Assembly and Dust Attenuation at $\mathbf{z>3.5}$ from CAPERS

Receipt and verification

First computed	2026-05-17T23:40:33.707902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6005ad55111b57fa26d50d595bc072abecd2f4dc602dbec15aa4800a090810dc

Aliases

arxiv: 1901.02877 · arxiv_version: 1901.02877v1 · doi: 10.48550/arxiv.1901.02877 · pith_short_12: MAC22VIRDNL7 · pith_short_16: MAC22VIRDNL7UJWV · pith_short_8: MAC22VIR

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/MAC22VIRDNL7UJWVBVMVXQDSVP \
  | 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: 6005ad55111b57fa26d50d595bc072abecd2f4dc602dbec15aa4800a090810dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20a4b15161b862e2efb01a018ab601e9c2e8da49837711c42505085fd82bbd47",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-01-09T18:58:39Z",
    "title_canon_sha256": "093a82822247b2b5fcb13495457405963a6ef33ae6034512f025aba7ed8a8a7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02877",
    "kind": "arxiv",
    "version": 1
  }
}