Pith Number

pith:FU4NNFFG

pith:2019:FU4NNFFGPQEV7R4RWMY66N3BTS

not attested not anchored not stored refs pending

The Hot Gas Exhaust of Starburst Engines in Mergers: Testing Models of Stellar Feedback and Star Formation Regulation

Beverly J. Smith, Brianne Dunn, Curtis Struck, Douglas Swartz, Mark L. Giroux, Peter Wagstaff, Roberto Soria

arxiv:1908.09402 v1 · 2019-08-25 · 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{FU4NNFFGPQEV7R4RWMY66N3BTS}

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	2026-07-05T00:10:42.574702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d38d694a67c095fc791b331ef37619cb8a42594203dadcc2c43d95b717be3e7

Aliases

arxiv: 1908.09402 · arxiv_version: 1908.09402v1 · doi: 10.48550/arxiv.1908.09402 · pith_short_12: FU4NNFFGPQEV · pith_short_16: FU4NNFFGPQEV7R4R · pith_short_8: FU4NNFFG

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/FU4NNFFGPQEV7R4RWMY66N3BTS \
  | 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: 2d38d694a67c095fc791b331ef37619cb8a42594203dadcc2c43d95b717be3e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "416b7d1a3fc8767037c180e646c1843c8c349d95d09a2da8bed0acbee5e86f25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-25T22:12:36Z",
    "title_canon_sha256": "3750268934a2606a4ea930c550e857a8ba172faff33fdf51911d6a1bdbde195e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09402",
    "kind": "arxiv",
    "version": 1
  }
}