Pith Number

pith:U7ZROCAO

pith:2017:U7ZROCAOJKI5E5NMOGN6KGVTO6

not attested not anchored not stored refs pending

Photospheric diagnostics of core helium burning in giant stars

Hans-Walter Rix, Keith Hawkins, Yuan-Sen Ting

arxiv:1712.02405 v2 · 2017-12-06 · 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{U7ZROCAOJKI5E5NMOGN6KGVTO6}

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	2026-05-18T00:24:47.773279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7f317080e4a91d275ac719be51ab377a557d5a7ed548ef5c7541544d5b9f8a5

Aliases

arxiv: 1712.02405 · arxiv_version: 1712.02405v2 · doi: 10.48550/arxiv.1712.02405 · pith_short_12: U7ZROCAOJKI5 · pith_short_16: U7ZROCAOJKI5E5NM · pith_short_8: U7ZROCAO

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/U7ZROCAOJKI5E5NMOGN6KGVTO6 \
  | 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: a7f317080e4a91d275ac719be51ab377a557d5a7ed548ef5c7541544d5b9f8a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ffc8541df85d767baa2e0c71f2e126d47116d27c4bbdf934324b3a678183ed5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-12-06T20:49:32Z",
    "title_canon_sha256": "1363eac6a5753d6d6c4b68b01e6a4d3aa0d4c0e840e5ba01544fb856ea95672b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.02405",
    "kind": "arxiv",
    "version": 2
  }
}