Pith Number

pith:HQCZFEW5

pith:2025:HQCZFEW5OSYAYHNAWOOI5IOWJ5

not attested not anchored not stored refs pending

Constraining the geometry of the gas surrounding a typical galaxy at $z = 3.4$ with Ly$\alpha$ polarization

A. Bolamperti, A. Zanella, E. Iani, E. Vanzella, F. Arrigoni Battaia, F. Calura, J. Vernet, M. Gronke, S.-J. Chang

arxiv:2502.01742 v1 · 2025-02-03 · 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{HQCZFEW5OSYAYHNAWOOI5IOWJ5}

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	2026-07-05T10:28:34.691680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c059292dd74b00c1da0b39c8ea1d64f6b3d583b340c80bc9e008b9215f2a337

Aliases

arxiv: 2502.01742 · arxiv_version: 2502.01742v1 · doi: 10.48550/arxiv.2502.01742 · pith_short_12: HQCZFEW5OSYA · pith_short_16: HQCZFEW5OSYAYHNA · pith_short_8: HQCZFEW5

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/HQCZFEW5OSYAYHNAWOOI5IOWJ5 \
  | 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: 3c059292dd74b00c1da0b39c8ea1d64f6b3d583b340c80bc9e008b9215f2a337

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dad9bd683e18def9aae185e577f18df84b2606520166a96447169f6c86a58e3a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-02-03T19:00:02Z",
    "title_canon_sha256": "57ab42d51fb464afb509401864e48582f9a6e41613892cc5eadb789b17dcbb1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.01742",
    "kind": "arxiv",
    "version": 1
  }
}