Pith Number

pith:QBIPV6EV

pith:2021:QBIPV6EV5Q2EHDDXJO4NXTHIGG

not attested not anchored not stored refs pending

S stars and s-process in the Gaia era II. Constraining the luminosity of the third dredge-up with Tc-rich S stars

Alain Jorissen, Bertrand Plez, George Wallerstein, Hans Van Winckel, Lionel Siess, Michel Godefroid, Shreeya Shetye, Sophie Van Eck, Stephane Goriely

arxiv:2104.03161 v1 · 2021-04-07 · 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{QBIPV6EV5Q2EHDDXJO4NXTHIGG}

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	2026-07-05T02:51:22.224148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8050faf895ec34438c774bb8dbcce831b5acc1095ad29f849387a01e867e2305

Aliases

arxiv: 2104.03161 · arxiv_version: 2104.03161v1 · doi: 10.48550/arxiv.2104.03161 · pith_short_12: QBIPV6EV5Q2E · pith_short_16: QBIPV6EV5Q2EHDDX · pith_short_8: QBIPV6EV

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/QBIPV6EV5Q2EHDDXJO4NXTHIGG \
  | 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: 8050faf895ec34438c774bb8dbcce831b5acc1095ad29f849387a01e867e2305

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cfa2faf7809faaef42666115d1a30300f56adffce2fc99c87e9809bada4f314",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-04-07T14:47:30Z",
    "title_canon_sha256": "ff686d692f3c1e56a46c1997a15704940d3c43ade23bdd43b1cc8ad1e17f89bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.03161",
    "kind": "arxiv",
    "version": 1
  }
}