Pith Number

pith:ZADHG5J3

pith:2014:ZADHG5J3TR3CZOQ7JOTOC2O6YS

not attested not anchored not stored refs pending

Spectroscopy of BL Lac objects of extraordinary luminosity

Aldo Treves, Boris Sbarufatti, Marco Landoni, Renato Falomo

arxiv:1407.3085 v1 · 2014-07-11 · astro-ph.GA · astro-ph.CO · 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{ZADHG5J3TR3CZOQ7JOTOC2O6YS}

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	2026-05-18T02:38:43.856096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c80673753b9c762cba1f4ba6e169dec497defdf0eb554cc329778787fb3a8fcc

Aliases

arxiv: 1407.3085 · arxiv_version: 1407.3085v1 · doi: 10.48550/arxiv.1407.3085 · pith_short_12: ZADHG5J3TR3C · pith_short_16: ZADHG5J3TR3CZOQ7 · pith_short_8: ZADHG5J3

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/ZADHG5J3TR3CZOQ7JOTOC2O6YS \
  | 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: c80673753b9c762cba1f4ba6e169dec497defdf0eb554cc329778787fb3a8fcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd265766dcaf35835095c631b2aa51d810e4080c03278c8a20d3ef8186b39e38",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-07-11T09:34:09Z",
    "title_canon_sha256": "3427b5aa7cbfc524e558ce1658c5616ef50c1314335387987d17fc473674dbc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.3085",
    "kind": "arxiv",
    "version": 1
  }
}