Pith Number

pith:NZFNK4JX

pith:2015:NZFNK4JXYMICFHKEIWOVGDBVVK

not attested not anchored not stored refs pending

Molecules as magnetic probes of starspots

Nadine Afram, Svetlana V. Berdyugina

arxiv:1501.07875 v1 · 2015-01-30 · 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{NZFNK4JXYMICFHKEIWOVGDBVVK}

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	2026-05-18T02:20:30.190948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e4ad57137c310229d44459d530c35aa87be568346835cd8f12455577226500c

Aliases

arxiv: 1501.07875 · arxiv_version: 1501.07875v1 · doi: 10.48550/arxiv.1501.07875 · pith_short_12: NZFNK4JXYMIC · pith_short_16: NZFNK4JXYMICFHKE · pith_short_8: NZFNK4JX

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/NZFNK4JXYMICFHKEIWOVGDBVVK \
  | 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: 6e4ad57137c310229d44459d530c35aa87be568346835cd8f12455577226500c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64b48b25c8452cd4e9b61c619d185f935c9faa21b2c3584fa58328b290657b69",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-01-30T18:39:21Z",
    "title_canon_sha256": "fa113fedb425627a1be8b6e34594daa4d7ce5fba3dc221ef1e3445f55816cc17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07875",
    "kind": "arxiv",
    "version": 1
  }
}