Pith Number

pith:AMA34HHG

pith:2025:AMA34HHGI5LU46TGR2HIYPTSQ3

not attested not anchored not stored refs pending

Specification for the Siril HEALpixel Catalog Format

Adrian J. E. Knagg-Baugh, C\'ecile Melis, Cyril Richard, Ian Cass

arxiv:2501.12466 v1 · 2025-01-21 · 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{AMA34HHGI5LU46TGR2HIYPTSQ3}

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	2026-07-05T10:03:53.475120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0301be1ce647574e7a668e8e8c3e7286ccbc20af121aa6bf39c821365df88e36

Aliases

arxiv: 2501.12466 · arxiv_version: 2501.12466v1 · doi: 10.48550/arxiv.2501.12466 · pith_short_12: AMA34HHGI5LU · pith_short_16: AMA34HHGI5LU46TG · pith_short_8: AMA34HHG

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/AMA34HHGI5LU46TGR2HIYPTSQ3 \
  | 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: 0301be1ce647574e7a668e8e8c3e7286ccbc20af121aa6bf39c821365df88e36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbca4b7c12ba902077ae9355c625a4e22681b766d85df3d9dd19dad2dd4ace9a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-01-21T19:30:30Z",
    "title_canon_sha256": "676094c67162c36b5d675ac9c3e880591de0d2f250139460f74ef8d96c03743a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.12466",
    "kind": "arxiv",
    "version": 1
  }
}