Pith Number

pith:DPT72N7V

pith:2014:DPT72N7VIZPEQMCP6SQQZOZOGI

not attested not anchored not stored refs pending

Color-Magnitude Distribution of Face-on Nearby Galaxies in SDSS DR7

Long-long Feng, Qiusheng Gu, Shuo-Wen Jin, Song Huang, Yong Shi

arxiv:1404.2398 v2 · 2014-04-09 · 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{DPT72N7VIZPEQMCP6SQQZOZOGI}

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	2026-05-18T02:52:33.685923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1be7fd37f5465e48304ff4a10cbb2e321156f8337b8c82153fdb1723c9c6d5cd

Aliases

arxiv: 1404.2398 · arxiv_version: 1404.2398v2 · doi: 10.48550/arxiv.1404.2398 · pith_short_12: DPT72N7VIZPE · pith_short_16: DPT72N7VIZPEQMCP · pith_short_8: DPT72N7V

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/DPT72N7VIZPEQMCP6SQQZOZOGI \
  | 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: 1be7fd37f5465e48304ff4a10cbb2e321156f8337b8c82153fdb1723c9c6d5cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "107c4b1b6463220a40d40eac285e6d3040404765f5ddc02ed0883f5acb74fb4d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-04-09T09:04:07Z",
    "title_canon_sha256": "a4fbbef2b152805c072c30010eb339e5763682b05e1c09cb0c7631133c49bac8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.2398",
    "kind": "arxiv",
    "version": 2
  }
}