Pith Number

pith:42QLE5MT

pith:2012:42QLE5MT2KNONBHDKI4CO2SQSZ

not attested not anchored not stored refs pending

The UV continua and inferred stellar populations of galaxies at z ~ 7 - 9 revealed by the Hubble Ultra Deep Field 2012 campaign

A. B. Rogers, A. Koekemoer, B. E. Robertson, D. P. Stark, E. Curtis-Lake, E. Schneider, J. S. Dunlop, M. A. Schenker, M. Cirasuolo, M. Ouchi, P. Dayal, R. A. A. Bowler, R. J. McLure, R. S. Ellis, S. Charlot, S. R. Furlanetto, T. A. Targett, V. Wild, Y. Ono

arxiv:1212.0860 v2 · 2012-12-04 · 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{42QLE5MT2KNONBHDKI4CO2SQSZ}

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	2026-05-18T01:52:47.707418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6a0b27593d29ae684e35238276a509673a650bc66bd3cfaababdd0f5939591f

Aliases

arxiv: 1212.0860 · arxiv_version: 1212.0860v2 · doi: 10.48550/arxiv.1212.0860 · pith_short_12: 42QLE5MT2KNO · pith_short_16: 42QLE5MT2KNONBHD · pith_short_8: 42QLE5MT

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/42QLE5MT2KNONBHDKI4CO2SQSZ \
  | 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: e6a0b27593d29ae684e35238276a509673a650bc66bd3cfaababdd0f5939591f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c50d78e64fbacb3310067846e16b5aed3c6bd7464a3bcf6a12482c31e2aa929",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-12-04T21:00:01Z",
    "title_canon_sha256": "b29827b360ef1cf46d8f72a56e8fab33f9d9d9cdadc9f994620d3651d2ba4aae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.0860",
    "kind": "arxiv",
    "version": 2
  }
}