Pith Number

pith:I3DIKCKK

pith:2025:I3DIKCKKL4H2M4PBHHXDAMV4SZ

not attested not anchored not stored refs pending

Insights from a 30-Year international Partnership on Astronomical Archives

Brian McLean, Chris Willott, David R. Rodriguez, Javier Espinosa, Maria Arevalo, Patrick Dowler

arxiv:2506.11888 v1 · 2025-06-13 · 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{I3DIKCKKL4H2M4PBHHXDAMV4SZ}

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	2026-07-05T11:21:12.316113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46c685094a5f0fa671e139ee3032bc965a315c78a612313bf9cef1122251ad23

Aliases

arxiv: 2506.11888 · arxiv_version: 2506.11888v1 · doi: 10.48550/arxiv.2506.11888 · pith_short_12: I3DIKCKKL4H2 · pith_short_16: I3DIKCKKL4H2M4PB · pith_short_8: I3DIKCKK

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/I3DIKCKKL4H2M4PBHHXDAMV4SZ \
  | 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: 46c685094a5f0fa671e139ee3032bc965a315c78a612313bf9cef1122251ad23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d5055a506aa30ebe419b4c9770d58d179aa1f64c599cca0f05b9e8eb4a88874",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-06-13T15:37:02Z",
    "title_canon_sha256": "41c05427e59d920e8a9abbb65b3a461a65018e7f04976f5adee2f4147fbdb783"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.11888",
    "kind": "arxiv",
    "version": 1
  }
}