Pith Number

pith:R4XS2ODO

pith:2019:R4XS2ODOCVPOBTSQL6DYP5SOFI

not attested not anchored not stored refs pending

30-micron sources in galaxies with different metallicities

(2) Astronomy Department, (3) Laboratoire Lagrange, (4) Space Telescope Science Institute, CNRS, Cornell University, E. Lagadec (3), France, G. C. Sloan (2), K. Volk (4) ((1) Nicolaus Copernicus Astronomical Center, M. G{\l}adkowski (1), Observatoire de la C\^ote d'Azur, Poland, R. Szczerba (1), UMR7293, Universit\'e C\^ote d'Azur, USA, USA)

arxiv:1903.04072 v2 · 2019-03-10 · astro-ph.SR · 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{R4XS2ODOCVPOBTSQL6DYP5SOFI}

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	2026-05-17T23:43:03.041881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f2f2d386e155ee0ce505f8787f64e2a0441fa0c7d4d94d351a8dc46a8d107e4

Aliases

arxiv: 1903.04072 · arxiv_version: 1903.04072v2 · doi: 10.48550/arxiv.1903.04072 · pith_short_12: R4XS2ODOCVPO · pith_short_16: R4XS2ODOCVPOBTSQ · pith_short_8: R4XS2ODO

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/R4XS2ODOCVPOBTSQL6DYP5SOFI \
  | 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: 8f2f2d386e155ee0ce505f8787f64e2a0441fa0c7d4d94d351a8dc46a8d107e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba35c818f4f03809cc8d7b398246b0c0e9766150c5bbe5a2b63c4849c3321f14",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-03-10T22:53:29Z",
    "title_canon_sha256": "facb824f79db2589bbe849fdbc600bc8ca7b0091ffe85bee1965d2e7954a9042"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04072",
    "kind": "arxiv",
    "version": 2
  }
}