Pith Number

pith:2FQGR4T7

pith:2024:2FQGR4T7DZMO3FKVVW52ZWYZG3

not attested not anchored not stored refs pending

Ultrashort-period WD binaries are not undergoing strong tidal heating

Jim Fuller, Peter Scherbak

arxiv:2401.14397 v1 · 2024-01-25 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2FQGR4T7DZMO3FKVVW52ZWYZG3}

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	2026-07-05T08:01:01.372199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d16068f27f1e58ed9555adbbacdb1936e2bb11ea23f3ba010378d7cec7b2339b

Aliases

arxiv: 2401.14397 · arxiv_version: 2401.14397v1 · doi: 10.48550/arxiv.2401.14397 · pith_short_12: 2FQGR4T7DZMO · pith_short_16: 2FQGR4T7DZMO3FKV · pith_short_8: 2FQGR4T7

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/2FQGR4T7DZMO3FKVVW52ZWYZG3 \
  | 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: d16068f27f1e58ed9555adbbacdb1936e2bb11ea23f3ba010378d7cec7b2339b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c4912f88826ac8b2ce3a2fde780c1bd89bf2c9f3d72ff80d084b2050720661c",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2024-01-25T18:57:24Z",
    "title_canon_sha256": "a5a9edbfc1f7e977f50fa569d8cabe196bf555502f719499430389513de8a486"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.14397",
    "kind": "arxiv",
    "version": 1
  }
}