Pith Number

pith:VUMWD3L7

pith:2016:VUMWD3L77PPDQFZX7PSVRL5AGT

not attested not anchored not stored refs pending

Fine structure of the age-chromospheric activity relation in solar-type stars I: The Ca II infrared triplet: Absolute flux calibration

Diego Lorenzo-Oliveira, Gustavo F. Porto de Mello, Ignasi Ribas, Let\'icia Dutra-Ferreira

arxiv:1608.02288 v1 · 2016-08-08 · 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{VUMWD3L77PPDQFZX7PSVRL5AGT}

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	2026-05-18T01:01:22.637030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad1961ed7ffbde381737fbe558afa034fcd562da1700edff55d88624da1dda8a

Aliases

arxiv: 1608.02288 · arxiv_version: 1608.02288v1 · doi: 10.48550/arxiv.1608.02288 · pith_short_12: VUMWD3L77PPD · pith_short_16: VUMWD3L77PPDQFZX · pith_short_8: VUMWD3L7

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/VUMWD3L77PPDQFZX7PSVRL5AGT \
  | 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: ad1961ed7ffbde381737fbe558afa034fcd562da1700edff55d88624da1dda8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f97080674f4b70bea82dd413a80785e82cf6eec212ade64673de75a7fb2dd76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-08-08T00:15:17Z",
    "title_canon_sha256": "26560d53fa5ea70e95fd3548d8f13c0b08d5b39fe77f25c19ad34551077012db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.02288",
    "kind": "arxiv",
    "version": 1
  }
}