Pith Number

pith:SOHO4B37

pith:2015:SOHO4B37DRFA7KTR2G7ROOEZUN

not attested not anchored not stored refs pending

Forbidden calcium lines as disc tracers

Anna Aret, Michaela Kraus

arxiv:1509.00772 v1 · 2015-07-31 · 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{SOHO4B37DRFA7KTR2G7ROOEZUN}

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	2026-05-18T01:24:52.737578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

938eee077f1c4a0faa71d1bf173899a374a44948ca6b39b9cccd2f525c687cbc

Aliases

arxiv: 1509.00772 · arxiv_version: 1509.00772v1 · doi: 10.48550/arxiv.1509.00772 · pith_short_12: SOHO4B37DRFA · pith_short_16: SOHO4B37DRFA7KTR · pith_short_8: SOHO4B37

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/SOHO4B37DRFA7KTR2G7ROOEZUN \
  | 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: 938eee077f1c4a0faa71d1bf173899a374a44948ca6b39b9cccd2f525c687cbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9f7fea58f5da124f04e7b9c64ae2de2078ae08917fedd65cd70d82c029c1b59",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-07-31T19:09:13Z",
    "title_canon_sha256": "a7458018365111a84987d89f67aee764371db25cf04e4a088e402b744fc8721f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.00772",
    "kind": "arxiv",
    "version": 1
  }
}