Pith Number

pith:7PJE3LQZ

pith:2009:7PJE3LQZJTF7KLMPDHYUDNJIIU

not attested not anchored not stored refs pending

Near-UV Sources in the Hubble Ultra Deep Field: The Catalog

2, 2), (2) NASA GSFC, (3) California Institute of Technology, (4) SSC, 5), (5) JHU), Brian Siana (3), Cori Quirk (1), Duilia F. de Mello (1, Elysse N. Voyer (1, Harry I. Teplitz (4) ((1) The Catholic University of America, Jonathan P. Gardner (2)

arxiv:0906.0603 v1 · 2009-06-02 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7PJE3LQZJTF7KLMPDHYUDNJIIU}

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	2026-05-18T02:13:29.525761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbd24dae194ccbf52d8f19f141b528452b057f5d667e5b5822daeedfd551937f

Aliases

arxiv: 0906.0603 · arxiv_version: 0906.0603v1 · doi: 10.48550/arxiv.0906.0603 · pith_short_12: 7PJE3LQZJTF7 · pith_short_16: 7PJE3LQZJTF7KLMP · pith_short_8: 7PJE3LQZ

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/7PJE3LQZJTF7KLMPDHYUDNJIIU \
  | 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: fbd24dae194ccbf52d8f19f141b528452b057f5d667e5b5822daeedfd551937f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40b488a918b72cdd685aa836f16a05fbfe9215c25d20bce43da2adb823b075c5",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-06-02T21:19:01Z",
    "title_canon_sha256": "2058e603902ca5a18040cf4d5c17fc7d4bc0c1ae7a388568fcfbbd8253714f7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.0603",
    "kind": "arxiv",
    "version": 1
  }
}