Pith Number

pith:MFZUNFC6

pith:2017:MFZUNFC6LLL4PHQHMHMMLNV6FZ

not attested not anchored not stored refs pending

ALMA Discovery of Solar Umbral Brightness Enhancement at {\lambda}=3 mm

Kazumasa Iwai, Maria Loukitcheva, Masumi Shimojo, Sami K. Solanki, Stephen M. White

arxiv:1705.03147 v1 · 2017-05-09 · 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{MFZUNFC6LLL4PHQHMHMMLNV6FZ}

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	2026-05-18T00:43:25.101355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

617346945e5ad7c79e0761d8c5b6be2e56ae4be9900b60ed84ff395eb50e91f2

Aliases

arxiv: 1705.03147 · arxiv_version: 1705.03147v1 · doi: 10.48550/arxiv.1705.03147 · pith_short_12: MFZUNFC6LLL4 · pith_short_16: MFZUNFC6LLL4PHQH · pith_short_8: MFZUNFC6

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/MFZUNFC6LLL4PHQHMHMMLNV6FZ \
  | 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: 617346945e5ad7c79e0761d8c5b6be2e56ae4be9900b60ed84ff395eb50e91f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09db994e312ef6c1cc05a2bc209401c06f2e037b395a11036dad7ce7fe8e5679",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-05-09T02:33:20Z",
    "title_canon_sha256": "6e6004b47225bb90f19a224fc643c56fb4aeaef8cc180e5be150d530d25cde27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.03147",
    "kind": "arxiv",
    "version": 1
  }
}