Pith Number

pith:4GT4HQJ3

pith:2022:4GT4HQJ3DIWVFFQGVB63WQ26DS

not attested not anchored not stored refs pending

Constraining blazar heating with the 2<z<3 Lyman-$\alpha$ forest

A. Broderick, A. Lamberts, C. Pfrommer, E. Puchwein, G. Rudie, M. Shalaby, P. Chang, P. Tiede

arxiv:2201.13175 v2 · 2022-01-31 · astro-ph.GA · 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{4GT4HQJ3DIWVFFQGVB63WQ26DS}

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	2026-07-05T04:04:02.954824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1a7c3c13b1a2d529606a87dbb435e1c870ecfd3c95842fa452413a4026ff416

Aliases

arxiv: 2201.13175 · arxiv_version: 2201.13175v2 · doi: 10.48550/arxiv.2201.13175 · pith_short_12: 4GT4HQJ3DIWV · pith_short_16: 4GT4HQJ3DIWVFFQG · pith_short_8: 4GT4HQJ3

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/4GT4HQJ3DIWVFFQGVB63WQ26DS \
  | 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: e1a7c3c13b1a2d529606a87dbb435e1c870ecfd3c95842fa452413a4026ff416

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "164a4ca7e252e0caab3f676b4791080f32462895a157d269afbbedf88998bc7e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-01-31T12:37:28Z",
    "title_canon_sha256": "1009eaabc2bdd48c1cf14ac523c268da441723c1267ed3d05ee4662ba88f4462"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.13175",
    "kind": "arxiv",
    "version": 2
  }
}