Pith Number

pith:6HJR7XU7

pith:2019:6HJR7XU7OL7SHWMTEA6IM74ZXB

not attested not anchored not stored refs pending

Differential Observation Techniques for the SZE-21cm and radio sources

Charles Mpho Takalana, Paolo Marchegiani, Sergio Colafrancesco

arxiv:1903.12631 v2 · 2019-03-29 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6HJR7XU7OL7SHWMTEA6IM74ZXB}

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	2026-05-17T23:49:38.253693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1d31fde9f72ff23d993203c867f99b870bc7dfb4ea48db1fe98cca4e01766d2

Aliases

arxiv: 1903.12631 · arxiv_version: 1903.12631v2 · doi: 10.48550/arxiv.1903.12631 · pith_short_12: 6HJR7XU7OL7S · pith_short_16: 6HJR7XU7OL7SHWMT · pith_short_8: 6HJR7XU7

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/6HJR7XU7OL7SHWMTEA6IM74ZXB \
  | 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: f1d31fde9f72ff23d993203c867f99b870bc7dfb4ea48db1fe98cca4e01766d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d10bba6a299df9d297b87f4247574e6b85334b97cfa856a25653cf119640f0e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-03-29T17:29:59Z",
    "title_canon_sha256": "fb89aa3aa9caece97b9387b99c77ab215dedbbbf579e104ac8cdf6599e9d31d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.12631",
    "kind": "arxiv",
    "version": 2
  }
}