Pith Number

pith:SDEFAJ6M

pith:2018:SDEFAJ6MMJZIB6PVLIG67E5F7Q

not attested not anchored not stored refs pending

Stellar ages, masses and radii from asteroseismic modeling are robust to systematic errors in spectroscopy

Amalie Stokholm, Earl P. Bellinger, George C. Angelou, Sarbani Basu, Saskia Hekker

arxiv:1812.06979 v4 · 2018-12-17 · 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{SDEFAJ6MMJZIB6PVLIG67E5F7Q}

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	2026-07-05T00:45:03.169436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90c85027cc627280f9f55a0def93a5fc22b7714578507249ead40ad8e377d40d

Aliases

arxiv: 1812.06979 · arxiv_version: 1812.06979v4 · doi: 10.48550/arxiv.1812.06979 · pith_short_12: SDEFAJ6MMJZI · pith_short_16: SDEFAJ6MMJZIB6PV · pith_short_8: SDEFAJ6M

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/SDEFAJ6MMJZIB6PVLIG67E5F7Q \
  | 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: 90c85027cc627280f9f55a0def93a5fc22b7714578507249ead40ad8e377d40d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2d200222207726dc4254faeede2ce529d0560f9c03b84402c8f3c7730cd9024",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-12-17T19:00:00Z",
    "title_canon_sha256": "8730bce021f34e9925588f7ba1b22469f9d9c4b1a0ee570f1d935b2094747a4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.06979",
    "kind": "arxiv",
    "version": 4
  }
}