Pith Number

pith:QCCPPNOO

pith:2010:QCCPPNOOQ5WMSIYVLN3G7WLYQ2

not attested not anchored not stored refs pending

Structure of the magnetoionic medium around the FR Class I radio galaxy 3C 449

D. Guidetti, F. Govoni, L. Gregorini, M. Murgia, P. Parma, R. A. Laing

arxiv:1002.0811 v1 · 2010-02-03 · 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{QCCPPNOOQ5WMSIYVLN3G7WLYQ2}

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	2026-05-18T02:09:20.087364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8084f7b5ce876cc923155b766fd9788693a7a9c2a27dd39d0b6a84a092b88e80

Aliases

arxiv: 1002.0811 · arxiv_version: 1002.0811v1 · doi: 10.48550/arxiv.1002.0811 · pith_short_12: QCCPPNOOQ5WM · pith_short_16: QCCPPNOOQ5WMSIYV · pith_short_8: QCCPPNOO

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/QCCPPNOOQ5WMSIYVLN3G7WLYQ2 \
  | 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: 8084f7b5ce876cc923155b766fd9788693a7a9c2a27dd39d0b6a84a092b88e80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b3296118e1084e93b9ff1c2fc2fa4bdbdd6b74dd8568176f29ad49310fdd5f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-02-03T18:24:48Z",
    "title_canon_sha256": "0ba8f2a9ab0f96ed6dcadde535fda01cb4e7eb9e9fec86c61c08032f865164f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0811",
    "kind": "arxiv",
    "version": 1
  }
}