Pith Number

pith:A55L6SWS

pith:2023:A55L6SWS2STYVZEXTRLNVKZ7BX

not attested not anchored not stored refs pending

The SunPy Project: An Interoperable Ecosystem for Solar Data Analysis

Albert Shih, Daniel Ryan, David Stansby, Jack Ireland, Laura Hayes, Nabil Freij, Steven Christe, Stuart Mumford, The SunPy Community, Will Barnes

arxiv:2304.09794 v1 · 2023-04-19 · 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{A55L6SWS2STYVZEXTRLNVKZ7BX}

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	2026-07-05T06:02:42.460289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

077abf4ad2d4a78ae4979c56daab3f0dee7ca30a6762068203004c8a7f4b45b9

Aliases

arxiv: 2304.09794 · arxiv_version: 2304.09794v1 · doi: 10.48550/arxiv.2304.09794 · pith_short_12: A55L6SWS2STY · pith_short_16: A55L6SWS2STYVZEX · pith_short_8: A55L6SWS

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/A55L6SWS2STYVZEXTRLNVKZ7BX \
  | 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: 077abf4ad2d4a78ae4979c56daab3f0dee7ca30a6762068203004c8a7f4b45b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97cece6d2bb9c589c4b3b3b7a5017049c052c7f7fc67a72cad73936242e309dc",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-04-19T16:24:40Z",
    "title_canon_sha256": "fd7697af7d6a5b8a508cc2df8304572d2e54a5e82fde851c03814cee4aa1af81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.09794",
    "kind": "arxiv",
    "version": 1
  }
}