Pith Number

pith:XJMCANK7

pith:2011:XJMCANK7SMFE76C6QNFSBN6CKE

not attested not anchored not stored refs pending

A critical analysis of the UV-continuum slopes of high-redshift galaxies; no evidence (yet) for extreme stellar populations at z > 6

B. E. Robertson, D. P. Stark, J. S. Dunlop, L. de Ravel, M. Cirasuolo, R. J. McLure, R. S. Ellis

arxiv:1102.5005 v3 · 2011-02-24 · 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{XJMCANK7SMFE76C6QNFSBN6CKE}

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	2026-05-18T02:03:05.466666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba5820355f930a4ff85e834b20b7c25118d677014542415402d87542172f4168

Aliases

arxiv: 1102.5005 · arxiv_version: 1102.5005v3 · doi: 10.48550/arxiv.1102.5005 · pith_short_12: XJMCANK7SMFE · pith_short_16: XJMCANK7SMFE76C6 · pith_short_8: XJMCANK7

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/XJMCANK7SMFE76C6QNFSBN6CKE \
  | 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: ba5820355f930a4ff85e834b20b7c25118d677014542415402d87542172f4168

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56e40f6d3c5921dc23a428a6dd2f302a23ddc45b121915db5dac707cfaf963d6",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-02-24T14:43:35Z",
    "title_canon_sha256": "1deab6312114e8b8cb278ff46871b48791294677048f1e5f9c72eafc9d7030b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.5005",
    "kind": "arxiv",
    "version": 3
  }
}