Pith Number

pith:WHNAUDNJ

pith:2012:WHNAUDNJT22YIQXMTCSZVMTPMJ

not attested not anchored not stored refs pending

The unbiased measurement of UV spectral slopes in low luminosity galaxies at z=7

A. B. Rogers, J. S. Dunlop, R. J. McLure

arxiv:1209.4636 v2 · 2012-09-20 · 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{WHNAUDNJT22YIQXMTCSZVMTPMJ}

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	2026-05-18T01:54:20.515424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1da0a0da99eb58442ec98a59ab26f6263828e116ff4c013688cff4c5a5ac11c

Aliases

arxiv: 1209.4636 · arxiv_version: 1209.4636v2 · doi: 10.48550/arxiv.1209.4636 · pith_short_12: WHNAUDNJT22Y · pith_short_16: WHNAUDNJT22YIQXM · pith_short_8: WHNAUDNJ

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/WHNAUDNJT22YIQXMTCSZVMTPMJ \
  | 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: b1da0a0da99eb58442ec98a59ab26f6263828e116ff4c013688cff4c5a5ac11c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fa25c6c113633ebe77ed4a8afa121a2af6354d3c719423c7bd5e7f41aca86b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-20T20:00:00Z",
    "title_canon_sha256": "a244110671986dccf5e12bfed0730073a9bb107e03b5d3e0b48dea3e6c3231ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4636",
    "kind": "arxiv",
    "version": 2
  }
}