Pith Number

pith:O2DWMHU7

pith:2014:O2DWMHU7OXQH64SPLYCUCUAIOD

not attested not anchored not stored refs pending

The physical properties of Fermi BL Lac objects jets

Dahai Yan, Houdun Zeng, Li Zhang

arxiv:1401.5552 v1 · 2014-01-22 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O2DWMHU7OXQH64SPLYCUCUAIOD}

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	2026-05-18T02:57:16.631249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7687661e9f75e07f724f5e0541500870cec17adf2e9f5b954e35f2f9a656e0e5

Aliases

arxiv: 1401.5552 · arxiv_version: 1401.5552v1 · doi: 10.48550/arxiv.1401.5552 · pith_short_12: O2DWMHU7OXQH · pith_short_16: O2DWMHU7OXQH64SP · pith_short_8: O2DWMHU7

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/O2DWMHU7OXQH64SPLYCUCUAIOD \
  | 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: 7687661e9f75e07f724f5e0541500870cec17adf2e9f5b954e35f2f9a656e0e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9986bd413bbf77f5f7166cdeb1945919553afa469fb350432d8f0d8a6bf2c25b",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-01-22T04:52:55Z",
    "title_canon_sha256": "9c1f40b1ca1d5cd345d5d069f5c9cd503ab97999cc7201c3121c8a4f6a59d45f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5552",
    "kind": "arxiv",
    "version": 1
  }
}