Pith Number

pith:NPTJKFJL

pith:2017:NPTJKFJLI7AVUXYFWSXLKQFOCA

not attested not anchored not stored refs pending

Probing homogeneity with standard candles

Antonio Enea Romano, Fabien Nugier, Hsu Wen Chiang, Pisin Chen

arxiv:1706.09734 v2 · 2017-06-29 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NPTJKFJLI7AVUXYFWSXLKQFOCA}

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	2026-07-05T00:19:33.694006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6be695152b47c15a5f05b4aeb540ae101e05660eb8afcba9620c290b56aab570

Aliases

arxiv: 1706.09734 · arxiv_version: 1706.09734v2 · doi: 10.48550/arxiv.1706.09734 · pith_short_12: NPTJKFJLI7AV · pith_short_16: NPTJKFJLI7AVUXYF · pith_short_8: NPTJKFJL

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/NPTJKFJLI7AVUXYFWSXLKQFOCA \
  | 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: 6be695152b47c15a5f05b4aeb540ae101e05660eb8afcba9620c290b56aab570

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8123c1032724c0e61e3ae95fa4f8c1d7dad49f3913653955e5bfce37c4d1141f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-06-29T13:04:01Z",
    "title_canon_sha256": "e27b07d808d9b7d34704b4f0065e878f3a194b6482612f353b59db4d3c8f3ea6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.09734",
    "kind": "arxiv",
    "version": 2
  }
}