Pith Number

pith:XVUUSQON

pith:2019:XVUUSQONEGH2L2W5UFW4LUPXFK

not attested not anchored not stored refs pending

Combined helioseismic inversions for 3D vector flows and sound-speed perturbations

David Korda, Michal \v{S}vanda

arxiv:1901.01293 v1 · 2019-01-04 · 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{XVUUSQONEGH2L2W5UFW4LUPXFK}

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	2026-05-17T23:53:23.119443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd694941cd218fa5eadda16dc5d1f72a9cb0c10e6017fdc05dcb5dd52f25539d

Aliases

arxiv: 1901.01293 · arxiv_version: 1901.01293v1 · doi: 10.48550/arxiv.1901.01293 · pith_short_12: XVUUSQONEGH2 · pith_short_16: XVUUSQONEGH2L2W5 · pith_short_8: XVUUSQON

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/XVUUSQONEGH2L2W5UFW4LUPXFK \
  | 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: bd694941cd218fa5eadda16dc5d1f72a9cb0c10e6017fdc05dcb5dd52f25539d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccd66d6db48b97efa14eb14341823a5b3eab7fc811551a444ec1f3ac4480a421",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-01-04T20:00:16Z",
    "title_canon_sha256": "25f6f49c2f8eaf5df3c6ae3a544f39b2497642137b88c539038a27b4acda54c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01293",
    "kind": "arxiv",
    "version": 1
  }
}