Pith Number

pith:QVFFB5VI

pith:2004:QVFFB5VIEMRH5VHIZSS553BAKV

not attested not anchored not stored refs pending

Chain Galaxies in the Tadpole ACS Field

(2) IBM T.J. Watson Research Center, (3) Haverford College), Bruce G. Elmegreen (2), Clara M. Sheets (3) ((1) Vassar College, Debra Meloy Elmegreen (1)

arxiv:astro-ph/0401364 v1 · 2004-01-19 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QVFFB5VIEMRH5VHIZSS553BAKV}

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.

Cited by

1 paper in Pith

Morphological Classification of Galaxies

Receipt and verification

First computed	2026-07-04T16:42:52.154698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

854a50f6a823227ed4e8cca5deec20557141375ac6e1a45c94c589b021827638

Aliases

arxiv: astro-ph/0401364 · arxiv_version: astro-ph/0401364v1 · doi: 10.48550/arxiv.astro-ph/0401364 · pith_short_12: QVFFB5VIEMRH · pith_short_16: QVFFB5VIEMRH5VHI · pith_short_8: QVFFB5VI

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/QVFFB5VIEMRH5VHIZSS553BAKV \
  | 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: 854a50f6a823227ed4e8cca5deec20557141375ac6e1a45c94c589b021827638

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "333a0c1f26d5d48c00eff78f6bd0e1f2b2b801d69dabe32548145d9c97d30bc2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-01-19T15:15:55Z",
    "title_canon_sha256": "9146ad3ec8cbd2cb9ea7b25fdbb279a01e2be3e6362efdb587cde1ab0a859bdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0401364",
    "kind": "arxiv",
    "version": 1
  }
}