Pith Number

pith:IKZCXMGL

pith:2019:IKZCXMGLJQ4TIMSLWHNBOPIDY3

not attested not anchored not stored refs pending

Science Opportunities and Challenges Associated with SKA Big Data

Tao An

arxiv:1901.07756 v1 · 2019-01-23 · 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{IKZCXMGLJQ4TIMSLWHNBOPIDY3}

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	2026-05-17T23:55:41.570281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42b22bb0cb4c3934324bb1da173d03c6e637edb61f25e6e90aad54a24416bd5f

Aliases

arxiv: 1901.07756 · arxiv_version: 1901.07756v1 · doi: 10.48550/arxiv.1901.07756 · pith_short_12: IKZCXMGLJQ4T · pith_short_16: IKZCXMGLJQ4TIMSL · pith_short_8: IKZCXMGL

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/IKZCXMGLJQ4TIMSLWHNBOPIDY3 \
  | 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: 42b22bb0cb4c3934324bb1da173d03c6e637edb61f25e6e90aad54a24416bd5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d02ad35b3ac3c99733cb48b95f396279592b235deca9b653c251c6d099f3c0c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-01-23T07:44:56Z",
    "title_canon_sha256": "dfe5610a10be78b50d6e3d24ba97c3d93631f884bf05933a0b705ecf6997665b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07756",
    "kind": "arxiv",
    "version": 1
  }
}