Pith Number

pith:UBDTGEQH

pith:2019:UBDTGEQHJYKOZWSEBPL2DZWR5E

not attested not anchored not stored refs pending

BreakBRD Galaxies I: Global Properties of Spiral Galaxies with Central Star Formation in Red Disks

Sarah E. Tuttle, Stephanie Tonnesen

arxiv:1912.02829 v1 · 2019-12-05 · 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{UBDTGEQHJYKOZWSEBPL2DZWR5E}

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	2026-07-05T00:40:04.835441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0473312074e14ecda440bd7a1e6d1e90537ffcf359fbb1c2022b029bc8bddee

Aliases

arxiv: 1912.02829 · arxiv_version: 1912.02829v1 · doi: 10.48550/arxiv.1912.02829 · pith_short_12: UBDTGEQHJYKO · pith_short_16: UBDTGEQHJYKOZWSE · pith_short_8: UBDTGEQH

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/UBDTGEQHJYKOZWSEBPL2DZWR5E \
  | 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: a0473312074e14ecda440bd7a1e6d1e90537ffcf359fbb1c2022b029bc8bddee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "669f7f68378c9364ecee6fab9846c7fa3be69ee77cb1ca7e4d56e4e7b73388a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-12-05T19:00:03Z",
    "title_canon_sha256": "eedf03ea312612717a266e825d8c28323d4e03a1b83ba982fd5a654eeee9911d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.02829",
    "kind": "arxiv",
    "version": 1
  }
}