Pith Number

pith:R57B4SQE

pith:2006:R57B4SQEPGHY57OS75EAO5PIID

not attested not anchored not stored refs pending

X-ray and TeV Gamma-Ray Emission from Parallel Electron-Positron or Electron-Proton Beams in BL Lac Objects

Henric Krawczynski (Washington University in St. Louis)

arxiv:astro-ph/0610641 v2 · 2006-10-20 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R57B4SQEPGHY57OS75EAO5PIID}

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	2026-05-18T04:28:57.446844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f7e1e4a04798f8efdd2ff480775e840dafabd6594f9a6c8ba3fe4387da0f6fc

Aliases

arxiv: astro-ph/0610641 · arxiv_version: astro-ph/0610641v2 · doi: 10.48550/arxiv.astro-ph/0610641 · pith_short_12: R57B4SQEPGHY · pith_short_16: R57B4SQEPGHY57OS · pith_short_8: R57B4SQE

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/R57B4SQEPGHY57OS75EAO5PIID \
  | 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: 8f7e1e4a04798f8efdd2ff480775e840dafabd6594f9a6c8ba3fe4387da0f6fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebed2b592ff1ae6e548189678660014361dcc5cdcc0983b5c0e83730cea7d84e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-10-20T22:36:08Z",
    "title_canon_sha256": "24f1faea51de89c4e133090f1fd88c0667650cf922e08e6d24f30249e914f7ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0610641",
    "kind": "arxiv",
    "version": 2
  }
}