Pith Number

pith:GEZRP2VT

pith:2012:GEZRP2VTPO5A4627JZM4S35KH2

not attested not anchored not stored refs pending

Science Drivers for AGN Observations with the Cherenkov Telescope Array

Henric Krawczynski (Washington University in St. Louis)

arxiv:1205.3698 v1 · 2012-05-16 · 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{GEZRP2VTPO5A4627JZM4S35KH2}

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	2026-05-18T03:55:34.426637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

313317eab37bba0e7b5f4e59c96faa3e9c6ce844d78f1dbc4ed9845308317319

Aliases

arxiv: 1205.3698 · arxiv_version: 1205.3698v1 · doi: 10.48550/arxiv.1205.3698 · pith_short_12: GEZRP2VTPO5A · pith_short_16: GEZRP2VTPO5A4627 · pith_short_8: GEZRP2VT

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/GEZRP2VTPO5A4627JZM4S35KH2 \
  | 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: 313317eab37bba0e7b5f4e59c96faa3e9c6ce844d78f1dbc4ed9845308317319

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbfe7a2ab6f83653f42e54cd4c9aa914d1a98132ab159af3c0a3d3b7912a1836",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-05-16T15:02:30Z",
    "title_canon_sha256": "e73bd62e6e86a2beb31509e4b38a99cdf26dd399b51dce77194c9fbf85dc6113"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3698",
    "kind": "arxiv",
    "version": 1
  }
}