Pith Number

pith:KWZHM6ZP

pith:2012:KWZHM6ZPLDEC4M7A7YV2EFF7XJ

not attested not anchored not stored refs pending

The VIRUS-P Exploration of Nearby Galaxies (VENGA): The Xco Gradient in NGC 628

(10) Astronomy Department, (2) Astronomy Department, (3) Astronomy Department, (4) Department of Astronomy, (5) National Radio Astronomy Observatory, (6) Max Planck Institute for Astronomy, (7) Instituto de Astronomia, (8) Max Planck Institute for Extraterrestrial Physics, (9) Shanghai Astronomical Observatory, Adam K. Leroy (5), Alberto Bolatto (4), Amanda Heiderman (3), Andreas Schruba (2), California Institute of Technology, China, David Fisher (4), Germany, Guillermo A. Blanc (1), Irina Marinova (3), Karl Gebhardt (3), Maximilian Fabricius (8), Mexico, Mimi Song (3), Neal J. Evans II (3), Niv Drory (7), Remco C. E. van den Bosch (6), Shardha Jogee (3), Stuart Vogel (4), The University of Texas at Austin, Tim Weinzirl (3) ((1) Observatories of the Carnegie Institution for Science, Universidad Nacional Autonoma de Mexico, University of Maryland, University of Washington, WA)

arxiv:1212.4152 v1 · 2012-12-17 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KWZHM6ZPLDEC4M7A7YV2EFF7XJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:52:31.323824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55b2767b2f58c82e33e0fe2ba214bfba63f0f05ef181a828dc76a9c368cf5b67

Aliases

arxiv: 1212.4152 · arxiv_version: 1212.4152v1 · doi: 10.48550/arxiv.1212.4152 · pith_short_12: KWZHM6ZPLDEC · pith_short_16: KWZHM6ZPLDEC4M7A · pith_short_8: KWZHM6ZP

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/KWZHM6ZPLDEC4M7A7YV2EFF7XJ \
  | 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: 55b2767b2f58c82e33e0fe2ba214bfba63f0f05ef181a828dc76a9c368cf5b67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "341eea1a6d2b9abdff65a19a0fda5f426e76933b153231ff1a0fc5adb3efb8c9",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-12-17T21:00:04Z",
    "title_canon_sha256": "5d9cf781a6f508790feed2daedf7a1634da550cf1905af5c49b8d58b4427720e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.4152",
    "kind": "arxiv",
    "version": 1
  }
}