Pith Number

pith:7CHGZ2QK

pith:2022:7CHGZ2QKCD2NAMGCSTD2OCXB2F

not attested not anchored not stored refs pending

Identifying the 3FHL Catalog. VI. Swift Observations of 3FHL Unassociated Objects with Source Classification via Machine Learning

A. Kaur, A. Pizzetti, M. Ajello, M. Rajagopal, N. Torres-Alb\`a, R. Silver, S. Joffre, S. Marchesi

arxiv:2212.02579 v1 · 2022-12-05 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7CHGZ2QKCD2NAMGCSTD2OCXB2F}

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	2026-07-05T05:22:32.448208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f88e6cea0a10f4d030c294c7a70ae1d150dbcdd9e99fd615b30b6c4f8f3ffc58

Aliases

arxiv: 2212.02579 · arxiv_version: 2212.02579v1 · doi: 10.48550/arxiv.2212.02579 · pith_short_12: 7CHGZ2QKCD2N · pith_short_16: 7CHGZ2QKCD2NAMGC · pith_short_8: 7CHGZ2QK

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/7CHGZ2QKCD2NAMGCSTD2OCXB2F \
  | 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: f88e6cea0a10f4d030c294c7a70ae1d150dbcdd9e99fd615b30b6c4f8f3ffc58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff83f003e1421497eed1f0c815dfb6b7394d7d31d03311c104b0a5540c855e7d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-12-05T20:17:52Z",
    "title_canon_sha256": "67c90c750268f3dc951393e87d1d6e9d28b5d1d9353178015f2342707496e2a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.02579",
    "kind": "arxiv",
    "version": 1
  }
}