Pith Number

pith:2YIPLE2Y

pith:2000:2YIPLE2YEYF65PWRU3TEYTSQS4

not attested not anchored not stored refs pending

Synchrotron and Compton Components and their Variability in BL Lac Objects

G. Ghisellini, G. Tagliaferri, P.Giommi, P. Padovani

arxiv:astro-ph/0003021 v1 · 2000-03-02 · 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{2YIPLE2YEYF65PWRU3TEYTSQS4}

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	2026-07-04T16:16:08.349299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d610f59358260beebed1a6e64c4e50970f12a09c133352de16f8a81c2aa99bd3

Aliases

arxiv: astro-ph/0003021 · arxiv_version: astro-ph/0003021v1 · doi: 10.48550/arxiv.astro-ph/0003021 · pith_short_12: 2YIPLE2YEYF6 · pith_short_16: 2YIPLE2YEYF65PWR · pith_short_8: 2YIPLE2Y

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/2YIPLE2YEYF65PWRU3TEYTSQS4 \
  | 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: d610f59358260beebed1a6e64c4e50970f12a09c133352de16f8a81c2aa99bd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "498af5835b4abec05c3bdbd3e039fe062b4a70b9bde7055137401617f328745b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-03-02T13:21:53Z",
    "title_canon_sha256": "70e15713dd69686b6e2e1d228b3e9fd0787db4dc298e71e9745b9063e038812a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0003021",
    "kind": "arxiv",
    "version": 1
  }
}