Pith Number

pith:EWKCE5MU

pith:2016:EWKCE5MUJQQWZB5Y5ZSDUA4UTX

not attested not anchored not stored refs pending

Magnetic activity in the HARPS M-dwarf sample. The rotation-activity relationship for very low-mass stars through R'HK

Christophe Lovis, Julien Rameau, Nicola Astudillo-Defru, Thierry Forveille, Xavier Bonfils, Xavier Delfosse

arxiv:1610.09007 v2 · 2016-10-27 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EWKCE5MUJQQWZB5Y5ZSDUA4UTX}

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	2026-05-18T00:48:16.546835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25942275944c216c87b8ee643a03949ddbfe2e2130a240f523d7ae7f218aeb44

Aliases

arxiv: 1610.09007 · arxiv_version: 1610.09007v2 · doi: 10.48550/arxiv.1610.09007 · pith_short_12: EWKCE5MUJQQW · pith_short_16: EWKCE5MUJQQWZB5Y · pith_short_8: EWKCE5MU

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/EWKCE5MUJQQWZB5Y5ZSDUA4UTX \
  | 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: 25942275944c216c87b8ee643a03949ddbfe2e2130a240f523d7ae7f218aeb44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee80abf037b7c522facb5e9e448c50042da6d74eec455b7c2f2d037d0e5acf78",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-10-27T20:39:31Z",
    "title_canon_sha256": "1f6b17ae49e61a3543469880b631c42565cf5887ae2838f91b487e289359e47e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.09007",
    "kind": "arxiv",
    "version": 2
  }
}