Pith Number

pith:3UX3WIXH

pith:1998:3UX3WIXHECK2EVPPCPNJOVWMCR

not attested not anchored not stored refs pending

On the origin of dark matter axions

E.P.S. Shellard, R.A. Battye

arxiv:astro-ph/9808220 v1 · 1998-08-20 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3UX3WIXHECK2EVPPCPNJOVWMCR}

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	2026-05-18T01:07:37.145914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd2fbb22e72095a255ef13da9756cc1452afc2153cee7a30ab19c330b3871d1d

Aliases

arxiv: astro-ph/9808220 · arxiv_version: astro-ph/9808220v1 · doi: 10.48550/arxiv.astro-ph/9808220 · pith_short_12: 3UX3WIXHECK2 · pith_short_16: 3UX3WIXHECK2EVPP · pith_short_8: 3UX3WIXH

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/3UX3WIXHECK2EVPPCPNJOVWMCR \
  | 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: dd2fbb22e72095a255ef13da9756cc1452afc2153cee7a30ab19c330b3871d1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c6ae509fd21be0acc96ef035662c5e028d617cd32c34691876deb2b440d0952",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-08-20T16:53:03Z",
    "title_canon_sha256": "03969bec0d5d62ab81b9a1b3d0044d6b1d65e2479818e16ff1a0083dbb8677ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9808220",
    "kind": "arxiv",
    "version": 1
  }
}