Pith Number

pith:MNRT6EPZ

pith:2021:MNRT6EPZ5O7YIEMMXG33GMFLI6

not attested not anchored not stored refs pending

Hot Degenerates in the MCT Survey. III. A Sample of White Dwarf Stars in the Southern Hemisphere

A. B\'edard, F. Wesemael, G. Fontaine, M.-J. Gingras, M.J. Irwin, P. Bergeron, R. Lamontagne, S. Blouin, S. Demers, S.O. Kepler

arxiv:2108.13520 v1 · 2021-08-30 · 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{MNRT6EPZ5O7YIEMMXG33GMFLI6}

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	2026-07-05T03:23:49.160552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63633f11f9ebbf84118cb9b7b330ab478234a246ee1a301f89ea3b6e93d81039

Aliases

arxiv: 2108.13520 · arxiv_version: 2108.13520v1 · doi: 10.48550/arxiv.2108.13520 · pith_short_12: MNRT6EPZ5O7Y · pith_short_16: MNRT6EPZ5O7YIEMM · pith_short_8: MNRT6EPZ

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/MNRT6EPZ5O7YIEMMXG33GMFLI6 \
  | 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: 63633f11f9ebbf84118cb9b7b330ab478234a246ee1a301f89ea3b6e93d81039

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41f237b7174c330d35db98f27299d13810be34558f72caf20553bf1039d5e6d0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-08-30T21:03:43Z",
    "title_canon_sha256": "f4693e7a3c439ba0c4bfd17b5a250e8d1ffbac9128f6d03235197cf3db67233e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.13520",
    "kind": "arxiv",
    "version": 1
  }
}