Pith Number

pith:SDFQGOMX

pith:2007:SDFQGOMXLO6EFEYEDORWI4AY2E

not attested not anchored not stored refs pending

The Electron Energy Distribution in the Hotspots of Cygnus A: Filling the Gap with the Spitzer Space Telescope

C.C. Cheung, D.E. Harris, L. Stawarz, M. Ostrowski

arxiv:astro-ph/0701568 v2 · 2007-01-19 · 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{SDFQGOMXLO6EFEYEDORWI4AY2E}

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	2026-05-18T04:29:07.074382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90cb0339975bbc4293041ba3647018d12429f2ef38144e71670f730a82f4be9e

Aliases

arxiv: astro-ph/0701568 · arxiv_version: astro-ph/0701568v2 · doi: 10.48550/arxiv.astro-ph/0701568 · pith_short_12: SDFQGOMXLO6E · pith_short_16: SDFQGOMXLO6EFEYE · pith_short_8: SDFQGOMX

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/SDFQGOMXLO6EFEYEDORWI4AY2E \
  | 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: 90cb0339975bbc4293041ba3647018d12429f2ef38144e71670f730a82f4be9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e67f09f88a45efbc133099ff0df0c66a053fbb2f677ce601411bd043a70fe940",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-19T15:12:40Z",
    "title_canon_sha256": "c0020887d3fe6d14b041fb2996323b88d74430956855c1417346d785a515c9b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701568",
    "kind": "arxiv",
    "version": 2
  }
}