Pith Number

pith:5LSV6MTX

pith:2019:5LSV6MTX7HMTOLA3PTAH4OXEPG

not attested not anchored not stored refs pending

Kiloparsec-scale Variations in the Star Formation Efficiency of Dense Gas: the Antennae Galaxies (NGC 4038/39)

Ashley Bemis, Christine Wilson

arxiv:1902.02809 v1 · 2019-02-07 · 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{5LSV6MTX7HMTOLA3PTAH4OXEPG}

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	2026-05-17T23:51:30.007170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eae55f3277f9d9372c1b7cc07e3ae4799e75f4cac421977ebbfd4c71bf894eb7

Aliases

arxiv: 1902.02809 · arxiv_version: 1902.02809v1 · doi: 10.48550/arxiv.1902.02809 · pith_short_12: 5LSV6MTX7HMT · pith_short_16: 5LSV6MTX7HMTOLA3 · pith_short_8: 5LSV6MTX

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/5LSV6MTX7HMTOLA3PTAH4OXEPG \
  | 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: eae55f3277f9d9372c1b7cc07e3ae4799e75f4cac421977ebbfd4c71bf894eb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77749cc76aa7f40eae33a1ffb3cd3b9514a1fcdce57dea9ffd15c3a33d118e6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-07T19:22:40Z",
    "title_canon_sha256": "15432afc943273c90a720e873b85f3da7d925001f2c55d4b5c1e7249b9222da7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02809",
    "kind": "arxiv",
    "version": 1
  }
}