Pith Number

pith:KJS7NYQD

pith:2025:KJS7NYQDHQEM5MILHF4PXXTX6Q

not attested not anchored not stored refs pending

The HETDEX Survey: Probing neutral hydrogen in the circumgalactic medium of ~88,000 Lyman Alpha Emitters

Chenxu Liu, Daniel Farrow, Donald P. Schneider, Dustin Davis, Erin Mentuch Cooper, Gary J. Hill, Gregory R. Zeimann, Karl Gebhardt, Laurel H. Weiss, Mahan Mirza Khanlari, Mahdi Qezlou, Maja Lujan Niemeyer, Robin Ciardullo, Shiro Mukae, Wolfram Kollatschny

arxiv:2507.15942 v1 · 2025-07-21 · 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{KJS7NYQDHQEM5MILHF4PXXTX6Q}

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	2026-07-05T11:40:59.636138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5265f6e2033c08ceb10b3978fbde77f40cfd5a2283cdbe215e5dc2fba1e81da5

Aliases

arxiv: 2507.15942 · arxiv_version: 2507.15942v1 · doi: 10.48550/arxiv.2507.15942 · pith_short_12: KJS7NYQDHQEM · pith_short_16: KJS7NYQDHQEM5MIL · pith_short_8: KJS7NYQD

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/KJS7NYQDHQEM5MILHF4PXXTX6Q \
  | 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: 5265f6e2033c08ceb10b3978fbde77f40cfd5a2283cdbe215e5dc2fba1e81da5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37eab3589ea38fe098545c325be729b263033570e157eb836b776a615d0a577a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-07-21T18:00:04Z",
    "title_canon_sha256": "771acf13bb528c28e427a8dd5c5c2322b6a0a49c5e4aab611b975460d9dc112c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.15942",
    "kind": "arxiv",
    "version": 1
  }
}