Pith Number

pith:WS3RPPN5

pith:2005:WS3RPPN5ZOR6UQTSZZR7UU5SUY

not attested not anchored not stored refs pending

The Morphological Demographics of galaxies in the ACS Hubble Ultra Deep Parallel Fields

1), (2) Departmento de Astronomia y Astrofisica, Andre R. Martel (1), Astronomy, Felipe Menanteau (1), Holland C. Ford (1), John P. Blakeslee (1), Johns Hopkins University, Leopoldo Infante (2) ((1) Department of Physics, Narciso Benitez (3, Pontificia Universidad Catolica de Chile (3) Instituto de Astrofisica de Andalucia (CSIC)), Veronica Motta (2

arxiv:astro-ph/0509759 v1 · 2005-09-26 · 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{WS3RPPN5ZOR6UQTSZZR7UU5SUY}

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	2026-05-18T01:07:26.740866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4b717bdbdcba3ea4272ce63fa53b2a63de45d485a0779284ad879ae990a1429

Aliases

arxiv: astro-ph/0509759 · arxiv_version: astro-ph/0509759v1 · doi: 10.48550/arxiv.astro-ph/0509759 · pith_short_12: WS3RPPN5ZOR6 · pith_short_16: WS3RPPN5ZOR6UQTS · pith_short_8: WS3RPPN5

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/WS3RPPN5ZOR6UQTSZZR7UU5SUY \
  | 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: b4b717bdbdcba3ea4272ce63fa53b2a63de45d485a0779284ad879ae990a1429

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f755cb21f0715b26f542ecdb516dde2275663ab531c16f0d5d8f5c39c95cf1e8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-26T16:05:36Z",
    "title_canon_sha256": "c1cfc985d74e747da6cc7079b09e7c2915c4870a3cb3cea396d301f2c3168a0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509759",
    "kind": "arxiv",
    "version": 1
  }
}