Pith Number

pith:2WHFV7A5

pith:2012:2WHFV7A5JMWRXPRLJV5LD3VI7K

not attested not anchored not stored refs pending

The discovery of high power - high synchrotron peak blazars

A. Rau (MPE), P. Giommi (ASDC), P. Padovani (ESO)

arxiv:1202.2236 v1 · 2012-02-10 · 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{2WHFV7A5JMWRXPRLJV5LD3VI7K}

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	2026-05-18T01:58:31.349191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d58e5afc1d4b2d1bbe2b4d7ab1eea8fab2bd9f013bd127e0ad0e84d889cd34ae

Aliases

arxiv: 1202.2236 · arxiv_version: 1202.2236v1 · doi: 10.48550/arxiv.1202.2236 · pith_short_12: 2WHFV7A5JMWR · pith_short_16: 2WHFV7A5JMWRXPRL · pith_short_8: 2WHFV7A5

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/2WHFV7A5JMWRXPRLJV5LD3VI7K \
  | 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: d58e5afc1d4b2d1bbe2b4d7ab1eea8fab2bd9f013bd127e0ad0e84d889cd34ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0dce884b1ebb527fb818ce61205c818a44b326c2c03d45ce26ce0f2261dc1ab0",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-10T11:17:27Z",
    "title_canon_sha256": "f971ac5753db43a4d4a1598157f2970b6b0277387473c48ba0c8afa7ad187bb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2236",
    "kind": "arxiv",
    "version": 1
  }
}