Pith Number

pith:GXMHMLLQ

pith:1998:GXMHMLLQZFSDK7J3NMKF27IRY7

not attested not anchored not stored refs pending

MeV synchrotron BL Lacs

Gabriele Ghisellini (Osserv. Astr. di Brera, Italy), Merate

arxiv:astro-ph/9812419 v1 · 1998-12-22 · 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{GXMHMLLQZFSDK7J3NMKF27IRY7}

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	2026-07-04T14:16:27.741342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35d8762d70c964357d3b6b145d7d11c7f2e565a2467cf9c68c5770b2cd31ff71

Aliases

arxiv: astro-ph/9812419 · arxiv_version: astro-ph/9812419v1 · doi: 10.48550/arxiv.astro-ph/9812419 · pith_short_12: GXMHMLLQZFSD · pith_short_16: GXMHMLLQZFSDK7J3 · pith_short_8: GXMHMLLQ

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/GXMHMLLQZFSDK7J3NMKF27IRY7 \
  | 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: 35d8762d70c964357d3b6b145d7d11c7f2e565a2467cf9c68c5770b2cd31ff71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbf97e83a6db0919d3a9aa1a85405898062fb077997e15f6af82db08d0cf56bd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-12-22T21:49:55Z",
    "title_canon_sha256": "6fcb615f7dab1ae212930b023825037c4b5fd95f62aec9b4dfb2669989bf233a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9812419",
    "kind": "arxiv",
    "version": 1
  }
}