Pith Number

pith:U2PFU3HR

pith:2016:U2PFU3HRZTJXFDFVHSKFBMALLK

not attested not anchored not stored refs pending

Analysis of spatially deconvolved polar faculae

A. Asensio Ramos, B. Ruiz Cobo, C. Quintero Noda, T. Shimizu, Y. Suematsu

arxiv:1605.00330 v1 · 2016-05-02 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U2PFU3HRZTJXFDFVHSKFBMALLK}

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	2026-05-18T01:13:47.269483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a69e5a6cf1ccd3728cb53c9450b00b5a8e3cfc689dbef08df0144bb2e46bd665

Aliases

arxiv: 1605.00330 · arxiv_version: 1605.00330v1 · doi: 10.48550/arxiv.1605.00330 · pith_short_12: U2PFU3HRZTJX · pith_short_16: U2PFU3HRZTJXFDFV · pith_short_8: U2PFU3HR

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/U2PFU3HRZTJXFDFVHSKFBMALLK \
  | 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: a69e5a6cf1ccd3728cb53c9450b00b5a8e3cfc689dbef08df0144bb2e46bd665

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf13b3227c6400816ef03f286e4c4df9569fed8d99d50945f095048732758c09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-05-02T01:44:33Z",
    "title_canon_sha256": "550a532e7dafce7f7805d5de3cc97e8b8c36246aacde4e57bd272eacd65289ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.00330",
    "kind": "arxiv",
    "version": 1
  }
}