Pith Number

pith:7DZQHK6Q

pith:2018:7DZQHK6QTEGLQDZTKJSQ7MXNFW

not attested not anchored not stored refs pending

An explanation for the gap in the Gaia HRD for M dwarfs

James MacDonald, John Gizis

arxiv:1806.11454 v3 · 2018-06-29 · 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{7DZQHK6QTEGLQDZTKJSQ7MXNFW}

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	2026-05-18T00:09:11.013658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8f303abd0990cb80f3352650fb2ed2d86f84fbc26142a63b1f9d49a4ab6c24c

Aliases

arxiv: 1806.11454 · arxiv_version: 1806.11454v3 · doi: 10.48550/arxiv.1806.11454 · pith_short_12: 7DZQHK6QTEGL · pith_short_16: 7DZQHK6QTEGLQDZT · pith_short_8: 7DZQHK6Q

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/7DZQHK6QTEGLQDZTKJSQ7MXNFW \
  | 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: f8f303abd0990cb80f3352650fb2ed2d86f84fbc26142a63b1f9d49a4ab6c24c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "447f968f952a64fa4d51ea1538f31e448d9115ece886ff65a9b28f232c9e955b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-06-29T14:49:06Z",
    "title_canon_sha256": "c4a998156c6d00b17f9db859854d848316876bb9695f8118e40d7229530158ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.11454",
    "kind": "arxiv",
    "version": 3
  }
}