Pith Number

pith:ZQZRQ6EG

pith:2009:ZQZRQ6EGQRLV7GVEFWQB3EYBNQ

not attested not anchored not stored refs pending

Constraints on Star Forming Galaxies at z> 6.5 from HAWK-I Y-band Imaging of GOODS-South

(2) Oxford, 3), (3) AAO/Exeter), Andrew Bunker (2, David Bonfield (1) ((1) Hertfordshire, Kuenley Chiu (3), Matt J. Jarvis (1), Samantha Hickey (1)

arxiv:0909.4205 v1 · 2009-09-23 · 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{ZQZRQ6EGQRLV7GVEFWQB3EYBNQ}

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	2026-05-18T02:11:44.887546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc3318788684575f9aa42da01d93016c0fc249dd7d8c2687fe7051ff59773ab6

Aliases

arxiv: 0909.4205 · arxiv_version: 0909.4205v1 · doi: 10.48550/arxiv.0909.4205 · pith_short_12: ZQZRQ6EGQRLV · pith_short_16: ZQZRQ6EGQRLV7GVE · pith_short_8: ZQZRQ6EG

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/ZQZRQ6EGQRLV7GVEFWQB3EYBNQ \
  | 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: cc3318788684575f9aa42da01d93016c0fc249dd7d8c2687fe7051ff59773ab6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74bdc509734b4f2467e607dd7b76e9d0b97ba67a06cafcb507f323b7259d9bd3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-23T13:21:09Z",
    "title_canon_sha256": "54363f63a952be5b4dd2fc7147718b209e8a37f850e0e51bee81201f66a6c07f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4205",
    "kind": "arxiv",
    "version": 1
  }
}