Pith Number

pith:YZNYTUCP

pith:2025:YZNYTUCPNWAQTXZ4TLOIXCOQTL

not attested not anchored not stored refs pending

Stacking PANCAKEZ: sPectroscopic Analysis with NirspeC stAcKs in the Epoch of reioniZation. Weak ISM Absorption and Implications for Ionizing Photon Escape at $z\sim7$

Alice E. Shapley, Anthony J. Pahl, Kelsey S. Glazer, Marusa Bradac, Michael W. Topping, Naveen A. Reddy, Richard S. Ellis, Ryan L. Sanders, Tucker Jones, Yuguang Chen

arxiv:2504.21080 v1 · 2025-04-29 · 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{YZNYTUCPNWAQTXZ4TLOIXCOQTL}

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	2026-07-05T10:55:56.436233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c65b89d04f6d8109df3c9adc8b89d09aeec24f588c56dfc54bdd5e0403b1cf6f

Aliases

arxiv: 2504.21080 · arxiv_version: 2504.21080v1 · doi: 10.48550/arxiv.2504.21080 · pith_short_12: YZNYTUCPNWAQ · pith_short_16: YZNYTUCPNWAQTXZ4 · pith_short_8: YZNYTUCP

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/YZNYTUCPNWAQTXZ4TLOIXCOQTL \
  | 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: c65b89d04f6d8109df3c9adc8b89d09aeec24f588c56dfc54bdd5e0403b1cf6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81afde10e1968f7bb32b0dccf5573d5686a5208b87f43c92d37b5be9e34fde43",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-04-29T18:00:01Z",
    "title_canon_sha256": "1198bcaaddaad4ce8d95158480d2047177e6d722d21057865a9f7b3ceb5ea087"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.21080",
    "kind": "arxiv",
    "version": 1
  }
}