Pith Number

pith:6FDKN4YC

pith:2016:6FDKN4YCTXU4OQ7C45XPUGZ57Q

not attested not anchored not stored refs pending

H$_\alpha$-activity and ages for stars in the SARG survey

A. Bonfanti, A. F. Martinez Fiorenzano, D. Vassallo, E. Carolo, E. Sissa, M. Endl, R. Cosentino, R. Gratton, R. U. Claudi, S. Desidera

arxiv:1609.04660 v1 · 2016-09-15 · 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{6FDKN4YCTXU4OQ7C45XPUGZ57Q}

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	2026-05-18T00:55:41.531254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f146a6f3029de9c743e2e76efa1b3dfc300a7661e474f4d0cc91eb4f4db77811

Aliases

arxiv: 1609.04660 · arxiv_version: 1609.04660v1 · doi: 10.48550/arxiv.1609.04660 · pith_short_12: 6FDKN4YCTXU4 · pith_short_16: 6FDKN4YCTXU4OQ7C · pith_short_8: 6FDKN4YC

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/6FDKN4YCTXU4OQ7C45XPUGZ57Q \
  | 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: f146a6f3029de9c743e2e76efa1b3dfc300a7661e474f4d0cc91eb4f4db77811

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1389b277750b9cf82f0a4d8a203f2a99439018ae06ddc8e4f6e38deeb6858c79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-09-15T14:13:57Z",
    "title_canon_sha256": "ec24d2811d35b68f6f3ba7f0f5a19cc16e26a3d808778c03d51f8830f1b697e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.04660",
    "kind": "arxiv",
    "version": 1
  }
}