Pith Number

pith:UL7MHOZW

pith:2015:UL7MHOZWHBE5VJQ3E4SHOQ2M5O

not attested not anchored not stored refs pending

A novel and sensitive method for measuring very weak magnetic fields of DA white dwarfs: A search for a magnetic field at the 250 G level in 40 Eri B

A. J. Martin, D. Gadelshin, E. Semenko, G. Galazutdinov, G. G. Valyavin, J. D. Landstreet, S. Bagnulo

arxiv:1507.00800 v1 · 2015-07-03 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UL7MHOZWHBE5VJQ3E4SHOQ2M5O}

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	2026-05-18T01:35:07.230254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2fec3bb363849daa61b272477434cebb4c1a8afcfc1e155588766321c69a59f

Aliases

arxiv: 1507.00800 · arxiv_version: 1507.00800v1 · doi: 10.48550/arxiv.1507.00800 · pith_short_12: UL7MHOZWHBE5 · pith_short_16: UL7MHOZWHBE5VJQ3 · pith_short_8: UL7MHOZW

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/UL7MHOZWHBE5VJQ3E4SHOQ2M5O \
  | 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: a2fec3bb363849daa61b272477434cebb4c1a8afcfc1e155588766321c69a59f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41300c389fce6d98668093c81f24b1717a4bd23b274e16299009096cd3b8b1d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-07-03T01:28:38Z",
    "title_canon_sha256": "67204cfd818cbb5befa64c1e81655a4a8083c8d75cd923e37a6a724bbf2c1f5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.00800",
    "kind": "arxiv",
    "version": 1
  }
}