Pith Number

pith:F4BJUW6O

pith:2009:F4BJUW6OU6ZZHPH6EHVUJETB7P

not attested not anchored not stored refs pending

An Extremely Deep Wide-Field Near-Infrared Survey: Bright Galaxy Counts and Local Large Scale Structure

A. J. Barger, L. L. Cowie, L. Trouille, R. C. Keenan, W.-H. Wang

arxiv:0912.3090 v1 · 2009-12-16 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F4BJUW6OU6ZZHPH6EHVUJETB7P}

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	2026-05-18T02:33:56.323515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f029a5bcea7b393bcfe21eb449261fbfc69981b7164795279101aa1e76e5535

Aliases

arxiv: 0912.3090 · arxiv_version: 0912.3090v1 · doi: 10.48550/arxiv.0912.3090 · pith_short_12: F4BJUW6OU6ZZ · pith_short_16: F4BJUW6OU6ZZHPH6 · pith_short_8: F4BJUW6O

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/F4BJUW6OU6ZZHPH6EHVUJETB7P \
  | 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: 2f029a5bcea7b393bcfe21eb449261fbfc69981b7164795279101aa1e76e5535

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab1ffb10c64cc96bff5a527026976e40110c6e1055459c2450a86518bb822eff",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-16T10:04:09Z",
    "title_canon_sha256": "db75cb85bc64ce624367f7b2629248ab939afcaf55e2ad8b38fc795961e94053"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3090",
    "kind": "arxiv",
    "version": 1
  }
}