Pith Number

pith:M5K6OCG4

pith:2020:M5K6OCG4KIILKYTQMH4YBD2PGE

not attested not anchored not stored refs pending

How primordial magnetic fields shrink galaxies

Adrianne Slyz, Carlos G\'omez-Guijarro, Julien Devriendt, Sergio Martin-Alvarez

arxiv:2005.10269 v1 · 2020-05-20 · 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{M5K6OCG4KIILKYTQMH4YBD2PGE}

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	2026-07-05T01:07:31.630986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6755e708dc5210b5627061f9808f4f31247f07b78d71ddf0f15d7694a0568180

Aliases

arxiv: 2005.10269 · arxiv_version: 2005.10269v1 · doi: 10.48550/arxiv.2005.10269 · pith_short_12: M5K6OCG4KIIL · pith_short_16: M5K6OCG4KIILKYTQ · pith_short_8: M5K6OCG4

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/M5K6OCG4KIILKYTQMH4YBD2PGE \
  | 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: 6755e708dc5210b5627061f9808f4f31247f07b78d71ddf0f15d7694a0568180

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7f2cb0ded561e4257f07bcdd1fbafb9ffb1b7fcc19fd03bfe5c45a10a80364c",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-05-20T18:00:09Z",
    "title_canon_sha256": "0a8835a22e552086dbbfa5d3063237434c61fdcdd6668098be8b68da3273d4eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.10269",
    "kind": "arxiv",
    "version": 1
  }
}