Pith Number

pith:SWDCQTKB

pith:2016:SWDCQTKBV5TVS5EM3SRAZFH7KN

not attested not anchored not stored refs pending

Pre-feasibility Study of Astronomical Data Archive Systems Powered by Public Cloud Computing and Hadoop Hive

Satoshi Eguchi

arxiv:1611.06039 v1 · 2016-11-18 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SWDCQTKBV5TVS5EM3SRAZFH7KN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:57:43.236012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9586284d41af6759748cdca20c94ff5365e05df94bffd60bd589a3c2321c35a5

Aliases

arxiv: 1611.06039 · arxiv_version: 1611.06039v1 · doi: 10.48550/arxiv.1611.06039 · pith_short_12: SWDCQTKBV5TV · pith_short_16: SWDCQTKBV5TVS5EM · pith_short_8: SWDCQTKB

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/SWDCQTKBV5TVS5EM3SRAZFH7KN \
  | 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: 9586284d41af6759748cdca20c94ff5365e05df94bffd60bd589a3c2321c35a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9d887b523e4b2fa71dd4f2f197762d5cdf3b6f47d6516146b37c8f999bdeef1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-11-18T10:50:43Z",
    "title_canon_sha256": "a942c0a3481b027ec0fdd70e8faff53fe1b6699ad3710234c22531a7939fde25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.06039",
    "kind": "arxiv",
    "version": 1
  }
}