Pith Number

pith:FY6LQTTY

pith:2026:FY6LQTTYAGPS2JULW6RVKCZGXH

not attested not anchored not stored refs pending

Eppur non si trovano Vol. 3: Phoebe -- a Mirage of a Primordial Black Hole

Andrzej Udalski, Przemek Mr\'oz

arxiv:2606.19442 v1 · 2026-06-17 · astro-ph.GA · astro-ph.CO · astro-ph.HE · astro-ph.SR · gr-qc · hep-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{FY6LQTTYAGPS2JULW6RVKCZGXH}

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	2026-06-19T16:12:25.764050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e3cb84e78019f2d268bb7a3550b26b9f6f13bb3c696633c03f59c824bb8f415

Aliases

arxiv: 2606.19442 · arxiv_version: 2606.19442v1 · doi: 10.48550/arxiv.2606.19442 · pith_short_12: FY6LQTTYAGPS · pith_short_16: FY6LQTTYAGPS2JUL · pith_short_8: FY6LQTTY

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/FY6LQTTYAGPS2JULW6RVKCZGXH \
  | 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: 2e3cb84e78019f2d268bb7a3550b26b9f6f13bb3c696633c03f59c824bb8f415

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5ef0cd7b78180086b9d515d5a758f2b2ccaf400c0cd2ffa8c05278fba2c315b",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE",
      "astro-ph.SR",
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-06-17T18:00:04Z",
    "title_canon_sha256": "63746cce4496c48bd249975ce7f03fc2009aabbd3c5ed7835556b489b8debc49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.19442",
    "kind": "arxiv",
    "version": 1
  }
}