Pith Number

pith:YWCJ2EDT

pith:2013:YWCJ2EDTDZY6I72IOWOUZWTNRQ

not attested not anchored not stored refs pending

VLT/XSHOOTER & Subaru/MOIRCS Spectroscopy of HUDF-YD3: No Evidence for Lyman-alpha Emission at z=8.55

2), 4) Silvio Lorenzoni (1), 6, 7), Andrew J. Bunker (1), Elizabeth R. Stanway (3, Joseph Caruana (1, Mark Lacy (5), Matt J. Jarvis (1, Samantha Hickey (6) ((1) University of Oxford (2) Leibniz-Institut fur Astrophysik Potsdam (3) Bristol University (4) University of Warwick (5) NRAO (6) University of Hertfordshire (7) University of the Western Cape), Stephen M. Wilkins (1)

arxiv:1301.4477 v1 · 2013-01-18 · 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{YWCJ2EDTDZY6I72IOWOUZWTNRQ}

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	2026-05-18T01:52:05.722782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5849d10731e71e47f48759d4cda6d8c2861b3356db8e9fd4a8c5154f803dc0e

Aliases

arxiv: 1301.4477 · arxiv_version: 1301.4477v1 · doi: 10.48550/arxiv.1301.4477 · pith_short_12: YWCJ2EDTDZY6 · pith_short_16: YWCJ2EDTDZY6I72I · pith_short_8: YWCJ2EDT

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/YWCJ2EDTDZY6I72IOWOUZWTNRQ \
  | 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: c5849d10731e71e47f48759d4cda6d8c2861b3356db8e9fd4a8c5154f803dc0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "718166011b55842a35bb7079cecd397c9aba12dc42928c3a3e97fd7a2a4cf515",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-01-18T20:05:10Z",
    "title_canon_sha256": "366f2d6734018142960e12b4c4d036bc18897a1eb79cf36b26e859459441ba1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4477",
    "kind": "arxiv",
    "version": 1
  }
}