Pith Number

pith:GIGDFSE3

pith:2006:GIGDFSE3F5GNULX2VPL4PDBRKK

not attested not anchored not stored refs pending

Keck Deep Fields. III. Luminosity-dependent Evolution of the Ultraviolet Luminosity and Star Formation Rate Densities at z~4, 3, and 2

David Thompson, Marcin Sawicki

arxiv:astro-ph/0605406 v1 · 2006-05-17 · 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{GIGDFSE3F5GNULX2VPL4PDBRKK}

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	2026-07-04T15:19:02.140240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

320c32c89b2f4cda2efaabd7c78c31529aee9fbc62ec119ff407b18d2349fe55

Aliases

arxiv: astro-ph/0605406 · arxiv_version: astro-ph/0605406v1 · doi: 10.48550/arxiv.astro-ph/0605406 · pith_short_12: GIGDFSE3F5GN · pith_short_16: GIGDFSE3F5GNULX2 · pith_short_8: GIGDFSE3

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/GIGDFSE3F5GNULX2VPL4PDBRKK \
  | 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: 320c32c89b2f4cda2efaabd7c78c31529aee9fbc62ec119ff407b18d2349fe55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "989252006774b0c9bd0d4dd43a8fa4ff61f0f797b8fef99c659ac482b0683bd6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-05-17T02:22:04Z",
    "title_canon_sha256": "217318846f13b134621912dd888470982160b54f91056b3d5d5f1d24ba200522"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0605406",
    "kind": "arxiv",
    "version": 1
  }
}