Pith Number

pith:C4XZHRHS

pith:2018:C4XZHRHS72VMQE2ZFJJPGFHYRP

not attested not anchored not stored refs pending

Frequency identification and asteroseismic analysis of the red giant KIC 9145955: fundamental parameters and helium core size

Tao Wu, Xinyi Zhang, Yan Li

arxiv:1802.01320 v1 · 2018-02-05 · 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{C4XZHRHS72VMQE2ZFJJPGFHYRP}

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	2026-05-18T00:21:20.224406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

172f93c4f2feaac813592a52f314f88bdd9bfb7baeec551f845e9955d8c77790

Aliases

arxiv: 1802.01320 · arxiv_version: 1802.01320v1 · doi: 10.48550/arxiv.1802.01320 · pith_short_12: C4XZHRHS72VM · pith_short_16: C4XZHRHS72VMQE2Z · pith_short_8: C4XZHRHS

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/C4XZHRHS72VMQE2ZFJJPGFHYRP \
  | 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: 172f93c4f2feaac813592a52f314f88bdd9bfb7baeec551f845e9955d8c77790

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e016d52ef0840f58233cdf8a74dc1c44f4728a7a10c630ba4502cde3c014de00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-02-05T10:04:24Z",
    "title_canon_sha256": "b68c9e1e69dc481b0011c73c4d5eb3dcb1e5987dac5742744f3ac5599b8b83ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01320",
    "kind": "arxiv",
    "version": 1
  }
}