Pith Number

pith:6KSI632C

pith:2016:6KSI632C45PP5CRFGQA4C7U2H3

not attested not anchored not stored refs pending

Does the chemical signature of TYC 8442-1036-1 originate from a rotating massive star that died in a faint explosion?

C. Chiappini, C. Cort\'es, E. Depagne, G. Cescutti, M. Valentini, N. Christlieb, P. Fran\c{c}ois

arxiv:1608.03455 v1 · 2016-08-11 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6KSI632C45PP5CRFGQA4C7U2H3}

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	2026-05-18T01:00:25.265270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2a48f6f42e75efe8a253401c17e9a3ecf378f2b8bb5b2a147a059deacef77a4

Aliases

arxiv: 1608.03455 · arxiv_version: 1608.03455v1 · doi: 10.48550/arxiv.1608.03455 · pith_short_12: 6KSI632C45PP · pith_short_16: 6KSI632C45PP5CRF · pith_short_8: 6KSI632C

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/6KSI632C45PP5CRFGQA4C7U2H3 \
  | 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: f2a48f6f42e75efe8a253401c17e9a3ecf378f2b8bb5b2a147a059deacef77a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b10370907ba97b1e0c84889df68f037da2ced3d7828fa2863db7b30786b5f9c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-08-11T13:29:59Z",
    "title_canon_sha256": "ff3b29c02e777330ab249582bdd2d0ed9d97ac1caae43597b72736cb4540d40b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.03455",
    "kind": "arxiv",
    "version": 1
  }
}