Pith Number

pith:GYVYWSVE

pith:2026:GYVYWSVEOP4B52HR4VWXXLGBAO

not attested not anchored not stored refs pending

Hard X-ray Sources in Fermi UFOs

Alessandro Paggi, Chien-Ting Chen, Daniel Gruen, Elena Jimenez Bailon, Ignacio de la Calle Perez, Ioannis Liodakis, John Antoniadis, Mykhailo Ilin, Philip Kaaret, Steven R. Ehlert

arxiv:2606.00331 v1 · 2026-05-29 · 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{GYVYWSVEOP4B52HR4VWXXLGBAO}

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	2026-06-02T01:03:51.843855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

362b8b4aa473f81ee8f1e56d7bacc1038921415be2c5a03a8bfcb323866bf97d

Aliases

arxiv: 2606.00331 · arxiv_version: 2606.00331v1 · doi: 10.48550/arxiv.2606.00331 · pith_short_12: GYVYWSVEOP4B · pith_short_16: GYVYWSVEOP4B52HR · pith_short_8: GYVYWSVE

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/GYVYWSVEOP4B52HR4VWXXLGBAO \
  | 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: 362b8b4aa473f81ee8f1e56d7bacc1038921415be2c5a03a8bfcb323866bf97d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e25dda5fdd28c99b8c04f0d3619845d9896f2bd8c8d89616197c38a99da15347",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-05-29T20:16:26Z",
    "title_canon_sha256": "976cd7ca0d0088852bb8c64fd6553ebdae983fdb21005f040c321a5d391f5a7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.00331",
    "kind": "arxiv",
    "version": 1
  }
}