Pith Number

pith:CD4VZTHH

pith:2012:CD4VZTHHHHXIC7IMSAYDDNKYEP

not attested not anchored not stored refs pending

On proton synchrotron blazar models: the case of quasar 3C 279

Apostolos Mastichiadis, Maria Petropoulou

arxiv:1207.5227 v1 · 2012-07-22 · 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{CD4VZTHHHHXIC7IMSAYDDNKYEP}

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	2026-05-18T01:56:15.271566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10f95ccce739ee817d0c903031b55823de934ab3cd2ee25db5d40b9dcdcdc25e

Aliases

arxiv: 1207.5227 · arxiv_version: 1207.5227v1 · doi: 10.48550/arxiv.1207.5227 · pith_short_12: CD4VZTHHHHXI · pith_short_16: CD4VZTHHHHXIC7IM · pith_short_8: CD4VZTHH

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/CD4VZTHHHHXIC7IMSAYDDNKYEP \
  | 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: 10f95ccce739ee817d0c903031b55823de934ab3cd2ee25db5d40b9dcdcdc25e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9edf6d9a70fd847440f1bde9a04eddeded12716911ebb229de2c519f5142205",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-07-22T13:14:44Z",
    "title_canon_sha256": "4f26a61bf9f171c3cd72e6acf1556717593673d33a9bb1cb3d95145f8fcc000b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5227",
    "kind": "arxiv",
    "version": 1
  }
}