Pith Number

pith:N7BFYNW4

pith:2018:N7BFYNW4LA3CLMMQRISIOKDR7O

not attested not anchored not stored refs pending

Visual and H-alpha measurements of solar diameter of 9 may 2016 mercury transit

Costantino Sigismondi, Hamed Altafi

arxiv:1805.09915 v1 · 2018-05-24 · astro-ph.SR · 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{N7BFYNW4LA3CLMMQRISIOKDR7O}

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	2026-05-18T00:14:58.794233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fc25c36dc583625b1908a24872871fbaba5b58995a5c12eb69fe032c95cc810

Aliases

arxiv: 1805.09915 · arxiv_version: 1805.09915v1 · doi: 10.48550/arxiv.1805.09915 · pith_short_12: N7BFYNW4LA3C · pith_short_16: N7BFYNW4LA3CLMMQ · pith_short_8: N7BFYNW4

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/N7BFYNW4LA3CLMMQRISIOKDR7O \
  | 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: 6fc25c36dc583625b1908a24872871fbaba5b58995a5c12eb69fe032c95cc810

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e401cd77d7717c0c05723b9cc48641a52a0f92cbbdff7844f4d9d8291122ebb",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-05-24T21:59:00Z",
    "title_canon_sha256": "e9c7ca4a520d3f22efc2411b6f284e8b44e081a542a273c072f6e14ef118f2c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.09915",
    "kind": "arxiv",
    "version": 1
  }
}