Pith Number

pith:HC4M2XDT

pith:2000:HC4M2XDTGYV5DEOM34RPMV5JWC

not attested not anchored not stored refs pending

TeV Gamma Rays from BL Lac Objects due to Synchrotron Radiation of Extremely High Energy Protons

F.A. Aharonian

arxiv:astro-ph/0003159 v2 · 2000-03-11 · 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{HC4M2XDTGYV5DEOM34RPMV5JWC}

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.

Cited by

3 papers in Pith

A Rare Gamma-ray Flaring episode of the Narrow-Line Seyfert 1 Galaxy 1H 0323+342

A closer look at the electromagnetic signatures of Bethe-Heitler pair production process in blazars

Guitar Nebula: extreme accelerator in extreme environment

Receipt and verification

First computed	2026-07-04T17:25:10.766787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38b8cd5c73362bd191ccdf22f657a9b09396a7c4d454757c6a76acca27e382d0

Aliases

arxiv: astro-ph/0003159 · arxiv_version: astro-ph/0003159v2 · doi: 10.48550/arxiv.astro-ph/0003159 · pith_short_12: HC4M2XDTGYV5 · pith_short_16: HC4M2XDTGYV5DEOM · pith_short_8: HC4M2XDT

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/HC4M2XDTGYV5DEOM34RPMV5JWC \
  | 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: 38b8cd5c73362bd191ccdf22f657a9b09396a7c4d454757c6a76acca27e382d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f99d32423b5239164c0ccea7851932fd07de2a0023104e23704415a7db0a1b2d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-03-11T19:26:08Z",
    "title_canon_sha256": "d457d026253731d3ee46a927ac477bea2e399321a521068aa687ec0bb39fa1c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0003159",
    "kind": "arxiv",
    "version": 2
  }
}