Pith Number

pith:CPMVT446

pith:2014:CPMVT446R2S7ZN2DDC6A2BUVL7

not attested not anchored not stored refs pending

Studying the dwarf galaxies in nearby groups of galaxies: spectroscopic and photometric data

J. Vennik, U. Hopp

arxiv:1407.0307 v1 · 2014-07-01 · 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{CPMVT446R2S7ZN2DDC6A2BUVL7}

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	2026-05-18T01:42:42.975017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13d959f39e8ea5fcb74318bc0d06955fdb75e050d7a1b867b9ad7b597960b4bb

Aliases

arxiv: 1407.0307 · arxiv_version: 1407.0307v1 · doi: 10.48550/arxiv.1407.0307 · pith_short_12: CPMVT446R2S7 · pith_short_16: CPMVT446R2S7ZN2D · pith_short_8: CPMVT446

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/CPMVT446R2S7ZN2DDC6A2BUVL7 \
  | 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: 13d959f39e8ea5fcb74318bc0d06955fdb75e050d7a1b867b9ad7b597960b4bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f654e2d3fa5b924c36621c4041d0f00a52228c98472ccc2548a5d8294997681",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-07-01T16:24:51Z",
    "title_canon_sha256": "fe52baae3efa4d581279c36ae5f245d2dffac103c56c25f6dde15305f6786777"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.0307",
    "kind": "arxiv",
    "version": 1
  }
}