Pith Number

pith:TZNOVV2D

pith:2017:TZNOVV2DMN2WYULFQMTHCL6SJV

not attested not anchored not stored refs pending

Problems in computational helioseismology

Damien Fournier, Laurent Gizon, Thorsten Hohage

arxiv:1707.08566 v1 · 2017-07-25 · 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{TZNOVV2DMN2WYULFQMTHCL6SJV}

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	2026-05-18T00:39:23.671115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e5aead74363756c51658326712fd24d6e5ab75c5accfd39a13ba816dba7027a

Aliases

arxiv: 1707.08566 · arxiv_version: 1707.08566v1 · doi: 10.48550/arxiv.1707.08566 · pith_short_12: TZNOVV2DMN2W · pith_short_16: TZNOVV2DMN2WYULF · pith_short_8: TZNOVV2D

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/TZNOVV2DMN2WYULFQMTHCL6SJV \
  | 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: 9e5aead74363756c51658326712fd24d6e5ab75c5accfd39a13ba816dba7027a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eeb0f9b4292a4e8f3748165dcfc4df96238f253b6eb23551f5c619996cb5fbcf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-07-25T20:28:15Z",
    "title_canon_sha256": "6400d595ce3d7c0a49a9a1242b62d5903018521383692a34c824d70529b751ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.08566",
    "kind": "arxiv",
    "version": 1
  }
}