Pith Number

pith:CZYS33GN

pith:2026:CZYS33GNZGPHTORQGMZMADX2A2

not attested not anchored not stored refs pending

Ringing of the Reionization: A first direct measurement of the intergalactic pressure smoothing scale at redshift z>4.2 as imprinted onto small-scale peculiar velocities in the Lyman-alpha forest

Ewald Puchwein, James S. Bolton, Luke I. Gilmartin, Martin G. Haehnelt, Matteo Viel, Vid Ir\v{s}i\v{c}

arxiv:2607.19938 v1 · 2026-07-22 · astro-ph.CO · 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{CZYS33GNZGPHTORQGMZMADX2A2}

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	2026-07-23T01:24:44.951166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16712deccdc99e79ba303332c00efa068c9cf59b5eab21ee384b6ac81c5348c1

Aliases

arxiv: 2607.19938 · arxiv_version: 2607.19938v1 · doi: 10.48550/arxiv.2607.19938 · pith_short_12: CZYS33GNZGPH · pith_short_16: CZYS33GNZGPHTORQ · pith_short_8: CZYS33GN

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/CZYS33GNZGPHTORQGMZMADX2A2 \
  | 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: 16712deccdc99e79ba303332c00efa068c9cf59b5eab21ee384b6ac81c5348c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca43e9b85b9d284288d08f5d3c2d28794bff17d05107dcf856eed65f8a2e551f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-07-22T09:12:33Z",
    "title_canon_sha256": "3f3a0c7fea7a1d864466eb94cb069e3e3b5e3ecea87a62b0f478392e14aaead2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.19938",
    "kind": "arxiv",
    "version": 1
  }
}