Pith Number

pith:WRMX4GKY

pith:2018:WRMX4GKYYOWHL32RDIZKGCQZ7Z

not attested not anchored not stored refs pending

${\delta}$ MUS Revisited:Rectifying an 82 Yr-Old Mistake

Dimitri Pourbaix, Henri M. J. Boffin

arxiv:1806.01370 v1 · 2018-06-04 · 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{WRMX4GKYYOWHL32RDIZKGCQZ7Z}

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	2026-05-18T00:14:13.036233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4597e1958c3ac75ef511a32a30a19fe56b8a384a113c2d0eef31b11caaf4273

Aliases

arxiv: 1806.01370 · arxiv_version: 1806.01370v1 · doi: 10.48550/arxiv.1806.01370 · pith_short_12: WRMX4GKYYOWH · pith_short_16: WRMX4GKYYOWHL32R · pith_short_8: WRMX4GKY

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/WRMX4GKYYOWHL32RDIZKGCQZ7Z \
  | 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: b4597e1958c3ac75ef511a32a30a19fe56b8a384a113c2d0eef31b11caaf4273

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a32b3b2e7e3758577bae7c2d5df4197cf557e62f9160d4dea3f6b42e06e4ea72",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-06-04T20:20:48Z",
    "title_canon_sha256": "48437c8db085ab24ae612c5893659bba4830a8ae78caeed48d2d4e83e40944a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.01370",
    "kind": "arxiv",
    "version": 1
  }
}