Pith Number

pith:XJI2YTDB

pith:2017:XJI2YTDBRP466G3LI35HEYGKVD

not attested not anchored not stored refs pending

A review of the W51 Cloud

Adam Ginsburg

arxiv:1702.06627 v1 · 2017-02-22 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XJI2YTDBRP466G3LI35HEYGKVD}

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	2026-05-18T00:50:13.130277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba51ac4c618bf9ef1b6b46fa7260caa8e5800849b8ba7f89c13018402aa89513

Aliases

arxiv: 1702.06627 · arxiv_version: 1702.06627v1 · doi: 10.48550/arxiv.1702.06627 · pith_short_12: XJI2YTDBRP46 · pith_short_16: XJI2YTDBRP466G3L · pith_short_8: XJI2YTDB

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/XJI2YTDBRP466G3LI35HEYGKVD \
  | 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: ba51ac4c618bf9ef1b6b46fa7260caa8e5800849b8ba7f89c13018402aa89513

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13c3516b0b024857f25ed25aa63f2675ae1f7bfa9cdb5ed19e5367dc44fd0c36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-02-22T00:19:32Z",
    "title_canon_sha256": "4d9d4c79d8a77878153a5764641202df42dd5bbad8502f1296c0187a12994487"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.06627",
    "kind": "arxiv",
    "version": 1
  }
}