Pith Number

pith:STD72VJS

pith:2011:STD72VJSX3MYHOD3SDWZLLT73O

not attested not anchored not stored refs pending

Ages of Exoplanet Host-Stars from Asteroseismology : HD 17156, a Case Study

Yveline Lebreton

arxiv:1108.6153 v1 · 2011-08-31 · astro-ph.SR · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{STD72VJSX3MYHOD3SDWZLLT73O}

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	2026-05-18T04:14:26.989290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94c7fd5532bed983b87b90ed95ae7fdb9bc128009fa47124ee283b134e9b8515

Aliases

arxiv: 1108.6153 · arxiv_version: 1108.6153v1 · doi: 10.48550/arxiv.1108.6153 · pith_short_12: STD72VJSX3MY · pith_short_16: STD72VJSX3MYHOD3 · pith_short_8: STD72VJS

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/STD72VJSX3MYHOD3SDWZLLT73O \
  | 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: 94c7fd5532bed983b87b90ed95ae7fdb9bc128009fa47124ee283b134e9b8515

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dd987cbaea7cefaa58da7eb57f51b6df12c95e58c397cc1e8fe4773593e51bb",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-08-31T08:03:35Z",
    "title_canon_sha256": "560a8b994f7f1cd459d840ad1142dc4f9e5b9fac9c93cbbbbc24eff6e0e9527a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.6153",
    "kind": "arxiv",
    "version": 1
  }
}