Pith Number

pith:M2SFQOSX

pith:2017:M2SFQOSXFVV6Q4P4GFBD3UAC26

not attested not anchored not stored refs pending

Toward an internally consistent astronomical distance scale

Clara E. Martinez-Vazquez, Frederic Courbin, Masamune Oguri, Matteo Monelli, Richard de Grijs (KIAA/PKU), Sherry H. Suyu

arxiv:1706.07933 v1 · 2017-06-24 · astro-ph.GA · astro-ph.CO · astro-ph.IM · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M2SFQOSXFVV6Q4P4GFBD3UAC26}

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	2026-05-18T00:36:31.112287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66a4583a572d6be871fc31423dd002d7b41c9c44c727f4c13bb5f25ff17339b5

Aliases

arxiv: 1706.07933 · arxiv_version: 1706.07933v1 · doi: 10.48550/arxiv.1706.07933 · pith_short_12: M2SFQOSXFVV6 · pith_short_16: M2SFQOSXFVV6Q4P4 · pith_short_8: M2SFQOSX

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/M2SFQOSXFVV6Q4P4GFBD3UAC26 \
  | 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: 66a4583a572d6be871fc31423dd002d7b41c9c44c727f4c13bb5f25ff17339b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ae46a8a6871180942e016c23b011a8ec55512bb75cd538e4deb1a384cf442a0",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-06-24T10:07:24Z",
    "title_canon_sha256": "976e1182a8a2849884ebfb6c55920ca6a5178a89a6ea3c211fff19444598a963"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07933",
    "kind": "arxiv",
    "version": 1
  }
}