Pith Number

pith:UX5ITGUC

pith:2008:UX5ITGUC22Q7SVENEYF6QZTWJU

not attested not anchored not stored refs pending

Ultraviolet Spectra of Local Galaxies and their Link with the High-z Population

Claus Leitherer (STScI)

arxiv:0812.5113 v1 · 2008-12-30 · 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{UX5ITGUC22Q7SVENEYF6QZTWJU}

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	2026-05-18T02:15:03.584304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5fa899a82d6a1f9548d260be866764d03a009add719f29e80dad1ba5692b5d9

Aliases

arxiv: 0812.5113 · arxiv_version: 0812.5113v1 · doi: 10.48550/arxiv.0812.5113 · pith_short_12: UX5ITGUC22Q7 · pith_short_16: UX5ITGUC22Q7SVEN · pith_short_8: UX5ITGUC

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/UX5ITGUC22Q7SVENEYF6QZTWJU \
  | 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: a5fa899a82d6a1f9548d260be866764d03a009add719f29e80dad1ba5692b5d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b4e00a64ca5c40210f2f5eb3af5dc406badd63b7570c6c45d16ce88c6c78b34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-30T20:38:39Z",
    "title_canon_sha256": "ff6d71d1188e5c14d28e69e227d7d4c9f7fb7890460d0bc60d3f56bbc01ca4ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.5113",
    "kind": "arxiv",
    "version": 1
  }
}