Pith Number

pith:3JBQV5GJ

pith:2005:3JBQV5GJBGGS4C6C6FQ52C2TXR

not attested not anchored not stored refs pending

Morphology and evolution of emission line galaxies in the Hubble Ultra Deep Field

A. M. Koekemoer, A. Pasquali, B. Mobasher, C. Gronwall, C. Xu, H. C. Ferguson, I. Ferreras, J. Rhoads, N. Panagia, N. Pirzkal, S. Malhotra

arxiv:astro-ph/0509551 v1 · 2005-09-19 · 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{3JBQV5GJBGGS4C6C6FQ52C2TXR}

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	2026-07-04T15:31:20.018352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da430af4c9098d2e0bc2f161dd0b53bc7960286b3cdedf16c704643999861d01

Aliases

arxiv: astro-ph/0509551 · arxiv_version: astro-ph/0509551v1 · doi: 10.48550/arxiv.astro-ph/0509551 · pith_short_12: 3JBQV5GJBGGS · pith_short_16: 3JBQV5GJBGGS4C6C · pith_short_8: 3JBQV5GJ

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/3JBQV5GJBGGS4C6C6FQ52C2TXR \
  | 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: da430af4c9098d2e0bc2f161dd0b53bc7960286b3cdedf16c704643999861d01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bfda8ba744aee7635d2c5a379cbf0948a40e34e82e72bf7bad8178d6cd4b78b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-19T15:58:35Z",
    "title_canon_sha256": "33cd408ca1f21e4e8e42e2ce09629b2bdf745064e7f86273282e4522d5ac3e4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509551",
    "kind": "arxiv",
    "version": 1
  }
}