Pith Number

pith:2C6SUC4Q

pith:1998:2C6SUC4QSSX5VT5YW3C3X6ATKI

not attested not anchored not stored refs pending

Helioseismic determination of the solar gravitational quadrupole moment

F.P. Pijpers

arxiv:astro-ph/9804258 v1 · 1998-04-24 · astro-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{2C6SUC4QSSX5VT5YW3C3X6ATKI}

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	2026-05-18T01:07:37.532610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0bd2a0b9094afdacfb8b6c5bbf8135201faff27d07f17e8b67873e7399c3af3

Aliases

arxiv: astro-ph/9804258 · arxiv_version: astro-ph/9804258v1 · doi: 10.48550/arxiv.astro-ph/9804258 · pith_short_12: 2C6SUC4QSSX5 · pith_short_16: 2C6SUC4QSSX5VT5Y · pith_short_8: 2C6SUC4Q

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/2C6SUC4QSSX5VT5YW3C3X6ATKI \
  | 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: d0bd2a0b9094afdacfb8b6c5bbf8135201faff27d07f17e8b67873e7399c3af3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cf17fa26fd7a93a2dde5d4f2da537cc15a352fcd6e54bb1d05ea9d658c31404",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-04-24T14:00:16Z",
    "title_canon_sha256": "eb82049a16686eef180af2bc26dff79e7c3a569dcf9d6fbef3ebe7b04f66f0dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9804258",
    "kind": "arxiv",
    "version": 1
  }
}