Pith Number

pith:RBNGVVHR

pith:2007:RBNGVVHRXNTHMLHD42OM66XES4

not attested not anchored not stored refs pending

Contamination by Surface Effects of Time-distance Helioseismic Inversions for Sound Speed Beneath Sunspots

S. Couvidat, S. P. Rajaguru

arxiv:astro-ph/0702391 v1 · 2007-02-14 · 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{RBNGVVHRXNTHMLHD42OM66XES4}

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	2026-05-18T04:29:06.523803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

885a6ad4f1bb66762ce3e69ccf7ae4971410b2d2e0daab6b883d6a9666b8a7e5

Aliases

arxiv: astro-ph/0702391 · arxiv_version: astro-ph/0702391v1 · doi: 10.48550/arxiv.astro-ph/0702391 · pith_short_12: RBNGVVHRXNTH · pith_short_16: RBNGVVHRXNTHMLHD · pith_short_8: RBNGVVHR

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/RBNGVVHRXNTHMLHD42OM66XES4 \
  | 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: 885a6ad4f1bb66762ce3e69ccf7ae4971410b2d2e0daab6b883d6a9666b8a7e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb04da5d079145386615a57f80ce620f165a7e7891cee96f3d5d0ccd629e3b8c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-14T21:01:41Z",
    "title_canon_sha256": "c2aa5deca5bd0c5001856117656836ee8993d3f227a643fad9710d066da7f1ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702391",
    "kind": "arxiv",
    "version": 1
  }
}