Pith Number

pith:I35LAKIF

pith:2025:I35LAKIFLEXML4TOGQ5JL3XL4R

not attested not anchored not stored refs pending

An extremely metal-poor Lyman $\alpha$ emitter candidate at $z=6$ revealed through absorption spectroscopy

Anna-Christina Eilers, Dominika \v{D}urov\v{c}\'ikov\'a, Emanuele Paolo Farina, Emma V. Ryan-Weber, Frederick B. Davies, George Becker, Harley Katz, Jorryt Matthee, Louise Welsh, Minghao Yue, Robert A. Simcoe, Romain A. Meyer, Sindhu Satyavolu

arxiv:2505.01499 v2 · 2025-05-02 · 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{I35LAKIFLEXML4TOGQ5JL3XL4R}

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	2026-07-05T11:34:07.895456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46fab02905592ec5f26e343a95eeebe46dff17f134bff07c9212a60ee4eddda1

Aliases

arxiv: 2505.01499 · arxiv_version: 2505.01499v2 · doi: 10.48550/arxiv.2505.01499 · pith_short_12: I35LAKIFLEXM · pith_short_16: I35LAKIFLEXML4TO · pith_short_8: I35LAKIF

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/I35LAKIFLEXML4TOGQ5JL3XL4R \
  | 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: 46fab02905592ec5f26e343a95eeebe46dff17f134bff07c9212a60ee4eddda1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "408577a8536719d3c7f5444704cf1ed46a7ccf7cf3e3f2192b18186b39186b63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-05-02T18:00:01Z",
    "title_canon_sha256": "a3b5966642a636e9a5529a264244efcc4a90d56abfdcbcaef35413ebbe2faf22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.01499",
    "kind": "arxiv",
    "version": 2
  }
}