Pith Number

pith:UT2ILDN5

pith:2015:UT2ILDN55J2MJZDR3RVRWOM2CP

not attested not anchored not stored refs pending

The chemical evolution of local star forming galaxies: Radial profiles of ISM metallicity, gas mass, and stellar mass and constraints on galactic accretion and winds

2), Andreas Burkert (2), Andreas Schruba (3), Fabio Bresolin (1), Gabriel I. Dima (1) ((1) Institute for Astronomy, H. Jabran Zahid (4), I-Ting Ho (1), Rolf-Peter Kudritzki (1, University of Hawaii (2) University Observatory Munich (3) Max-Planck-Institute for Extraterrestrial Physics (4) Harvard-Smithsonian Center for Astrophysics)

arxiv:1503.01503 v1 · 2015-03-05 · 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{UT2ILDN55J2MJZDR3RVRWOM2CP}

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	2026-05-18T01:40:53.374028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4f4858dbdea74c4e471dc6b1b399a13fd817a9f892bac64aed5725d2d3f77ad

Aliases

arxiv: 1503.01503 · arxiv_version: 1503.01503v1 · doi: 10.48550/arxiv.1503.01503 · pith_short_12: UT2ILDN55J2M · pith_short_16: UT2ILDN55J2MJZDR · pith_short_8: UT2ILDN5

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/UT2ILDN55J2MJZDR3RVRWOM2CP \
  | 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: a4f4858dbdea74c4e471dc6b1b399a13fd817a9f892bac64aed5725d2d3f77ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "812a9f4576cd06a3f6f32d6f41342f57494f8bfe2b3b07883f859d4b3052ddfd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-03-05T00:14:04Z",
    "title_canon_sha256": "d3d8f875a1f4afeb318461a6d7d568df499ce6c86721ef542ed7e040745ca9d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01503",
    "kind": "arxiv",
    "version": 1
  }
}