Pith Number

pith:M6E44UTV

pith:2023:M6E44UTVZWMBPMCBBPLFJM76RP

not attested not anchored not stored refs pending

HERA bound on x-ray luminosity when accounting for population III stars

Debanjan Sarkar, Ely D. Kovetz, Hovav Lazare

arxiv:2307.15577 v2 · 2023-07-28 · 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{M6E44UTVZWMBPMCBBPLFJM76RP}

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	2026-07-05T07:40:00.302090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6789ce5275cd9817b0410bd654b3fe8bef3a279d8f69fe092cc6bfd4d984d128

Aliases

arxiv: 2307.15577 · arxiv_version: 2307.15577v2 · doi: 10.48550/arxiv.2307.15577 · pith_short_12: M6E44UTVZWMB · pith_short_16: M6E44UTVZWMBPMCB · pith_short_8: M6E44UTV

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/M6E44UTVZWMBPMCBBPLFJM76RP \
  | 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: 6789ce5275cd9817b0410bd654b3fe8bef3a279d8f69fe092cc6bfd4d984d128

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7c195e148d9d6eb3e3e2fb980e507d1cc8961968e535b771c1ec0e2a3979abc",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2023-07-28T14:17:01Z",
    "title_canon_sha256": "d6817085a102131244e6d2be08047e83e828d374ec2028c54f302d7f03a7a369"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.15577",
    "kind": "arxiv",
    "version": 2
  }
}