Pith Number

pith:45FTMSN7

pith:2018:45FTMSN7XSAINDHLYQEMI5SPV5

not attested not anchored not stored refs pending

On the low magnetic field effect in radical pair reactions

Alan M. Lewis, Christiane R. Timmel, Christian Kerpal, David E. Manolopoulos, Sabine Richert, Thomas P. Fay

arxiv:1807.06541 v1 · 2018-07-17 · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{45FTMSN7XSAINDHLYQEMI5SPV5}

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	2026-05-18T00:10:32.737065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e74b3649bfbc80868cebc408c4764faf714b6661fad0c9b79eab36777fbfec29

Aliases

arxiv: 1807.06541 · arxiv_version: 1807.06541v1 · doi: 10.48550/arxiv.1807.06541 · pith_short_12: 45FTMSN7XSAI · pith_short_16: 45FTMSN7XSAINDHL · pith_short_8: 45FTMSN7

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/45FTMSN7XSAINDHLYQEMI5SPV5 \
  | 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: e74b3649bfbc80868cebc408c4764faf714b6661fad0c9b79eab36777fbfec29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9f415dfda32da27263ade080545a1c78c08a4af37517b6be6ea5c336aa8bf79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2018-07-17T16:38:26Z",
    "title_canon_sha256": "61dbb7d768d5e43e7d4b92d00ef4fc5eac60a138634a77de6d3c20d1e86811cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.06541",
    "kind": "arxiv",
    "version": 1
  }
}