Pith Number

pith:723ULV4E

pith:2019:723ULV4E5PPUBOKDO7YWYVKYHL

not attested not anchored not stored refs pending

Calibrating star-formation rate prescriptions at different scales (10 pc to 1 kpc) in M31

Adam Leroy, Brent Groves, David Thilker, Eva Schinnerer, Guillermo A. Blanc, I-Ting Ho, Karin Sandstrom, Kathryn Kreckel, Maria Kapala, Neven Tomicic, Rebecca McElroy, Thomas Jarrett

arxiv:1901.11321 v1 · 2019-01-31 · 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{723ULV4E5PPUBOKDO7YWYVKYHL}

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	2026-05-17T23:52:02.924252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

feb745d784ebdf40b94377f16c55583afeb4a0323501055390baf890210c8fd3

Aliases

arxiv: 1901.11321 · arxiv_version: 1901.11321v1 · doi: 10.48550/arxiv.1901.11321 · pith_short_12: 723ULV4E5PPU · pith_short_16: 723ULV4E5PPUBOKD · pith_short_8: 723ULV4E

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/723ULV4E5PPUBOKDO7YWYVKYHL \
  | 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: feb745d784ebdf40b94377f16c55583afeb4a0323501055390baf890210c8fd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20b696b426fece0fb9b13276406023a042bc85ef8e6a7ec687a9ca67c972db32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-01-31T12:14:35Z",
    "title_canon_sha256": "7a80cb5cb1107f59249987deb6bc4ed996c873eabca90df504b2e0f5cbb62014"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.11321",
    "kind": "arxiv",
    "version": 1
  }
}