Pith Number

pith:JUDFECEA

pith:2022:JUDFECEAZEFVBWRPD2HYKBWAGX

not attested not anchored not stored refs pending

The redshift evolution of extragalactic magnetic fields

Aleksandar Shulevski, Cathy Horellou, Ettore Carretti, Franco Vazza, George Heald, Marcus Bruggen, Shane O'Sullivan, Tessa Vernstrom, Timothy Shimwell, Valentin Pomakov

arxiv:2208.01336 v1 · 2022-08-02 · 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{JUDFECEAZEFVBWRPD2HYKBWAGX}

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	2026-07-05T04:45:32.450499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d06520880c90b50da2f1e8f8506c035c011415f108d3f0bf8a1d51ccbb16e7e

Aliases

arxiv: 2208.01336 · arxiv_version: 2208.01336v1 · doi: 10.48550/arxiv.2208.01336 · pith_short_12: JUDFECEAZEFV · pith_short_16: JUDFECEAZEFVBWRP · pith_short_8: JUDFECEA

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/JUDFECEAZEFVBWRPD2HYKBWAGX \
  | 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: 4d06520880c90b50da2f1e8f8506c035c011415f108d3f0bf8a1d51ccbb16e7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "567769e1c824701daaa614bdb8d4756e3fbdddba1cd3775b1403b8747da11394",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2022-08-02T09:51:36Z",
    "title_canon_sha256": "0048a6bdf5f8fbad3e5ff7385980ff69431bfcfbf59045095e108ac5ddc09841"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.01336",
    "kind": "arxiv",
    "version": 1
  }
}