Pith Number

pith:M7ZEN5GW

pith:2019:M7ZEN5GWMXFMWHIA36TISA37AI

not attested not anchored not stored refs pending

GPU acceleration of the SAGECal calibration package for the SKA

Ben van Werkhoven, Faruk Diblen, Hanno Spreeuw, Sarod Yatawatta

arxiv:1910.13908 v1 · 2019-10-30 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M7ZEN5GWMXFMWHIA36TISA37AI}

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	2026-07-05T00:15:57.458741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67f246f4d665cacb1d00dfa689037f0204776a86eccac100652d97f81cd2b297

Aliases

arxiv: 1910.13908 · arxiv_version: 1910.13908v1 · doi: 10.48550/arxiv.1910.13908 · pith_short_12: M7ZEN5GWMXFM · pith_short_16: M7ZEN5GWMXFMWHIA · pith_short_8: M7ZEN5GW

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/M7ZEN5GWMXFMWHIA36TISA37AI \
  | 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: 67f246f4d665cacb1d00dfa689037f0204776a86eccac100652d97f81cd2b297

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42e79e7d5b10bfd6d32270959cb0171f45d856c8ca45be905199b2815a248ac1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-10-30T14:52:03Z",
    "title_canon_sha256": "5d3f4f1607606c07d628b06b52d684c9aba905ca224924a98c6783b99f092707"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.13908",
    "kind": "arxiv",
    "version": 1
  }
}