Pith Number

pith:ZZH2EV2C

pith:2011:ZZH2EV2C3PK64BWSWJPL2Q45DK

not attested not anchored not stored refs pending

Radio variability of 1st 3-months Fermi blazars at 5 GHz: affected by interstellar scintillation?

((1) Urumqi Observatory, 2), (2) Graduate University of CAS, (3) MPIfR), J. Liu (1), NAOCAS, N. Marchili (3), T.P. Krichbaum (3), X. Liu (1), Z. Ding (1

arxiv:1101.4482 v1 · 2011-01-24 · 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{ZZH2EV2C3PK64BWSWJPL2Q45DK}

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	2026-05-18T02:03:25.038706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce4fa25742dbd5ee06d2b25ebd439d1aa547f836f9308dea358e049e56e1f3db

Aliases

arxiv: 1101.4482 · arxiv_version: 1101.4482v1 · doi: 10.48550/arxiv.1101.4482 · pith_short_12: ZZH2EV2C3PK6 · pith_short_16: ZZH2EV2C3PK64BWS · pith_short_8: ZZH2EV2C

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/ZZH2EV2C3PK64BWSWJPL2Q45DK \
  | 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: ce4fa25742dbd5ee06d2b25ebd439d1aa547f836f9308dea358e049e56e1f3db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "922dce073e62196befc900fdd49beb2e60b5d574ba45bafb618d4ad5194b6ee4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-01-24T10:00:16Z",
    "title_canon_sha256": "0ca6f73aae00da672bcea0c42fd80b786eeb7908fdbd924f654dc03c338b1bb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4482",
    "kind": "arxiv",
    "version": 1
  }
}