Pith Number

pith:JNOUMDK3

pith:2026:JNOUMDK3FMEDD53W45PTPZWDFI

not attested not anchored not stored refs pending

A Measurement of the Thermal and Ionization State of the IGM at $z < 0.5$

Jose Onorbe, Joseph F. Hennawi, Michael Walther, Teng Hu, Todd M. Tripp, Vikram Khaire, Zarija Lukic

arxiv:2606.05006 v1 · 2026-06-03 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JNOUMDK3FMEDD53W45PTPZWDFI}

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	2026-06-04T01:10:01.295393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b5d460d5b2b0831f776e75f37e6c32a0f04b4abbac28b087115b137062dc4b8

Aliases

arxiv: 2606.05006 · arxiv_version: 2606.05006v1 · doi: 10.48550/arxiv.2606.05006 · pith_short_12: JNOUMDK3FMED · pith_short_16: JNOUMDK3FMEDD53W · pith_short_8: JNOUMDK3

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/JNOUMDK3FMEDD53W45PTPZWDFI \
  | 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: 4b5d460d5b2b0831f776e75f37e6c32a0f04b4abbac28b087115b137062dc4b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdd9b463c970a1dc698def3c84a9dbc32fecc0b745c636be717fa23ddce8764d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-06-03T15:28:19Z",
    "title_canon_sha256": "b88b0091c29d0dbb9a7c21636102e95ec33717db27e4e0f3504940b828f2fa3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.05006",
    "kind": "arxiv",
    "version": 1
  }
}