Pith Number

pith:7DX6OHOC

pith:2015:7DX6OHOC3J3ZAXPXVPX5POJMHT

not attested not anchored not stored refs pending

Making action-angle disc models for Gaia

Paul J. McMillan

arxiv:1507.07889 v1 · 2015-07-28 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7DX6OHOC3J3ZAXPXVPX5POJMHT}

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	2026-05-18T01:36:11.650622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8efe71dc2da77905df7abefd7b92c3cf0b19988b4ad14136fcefc20e5592685

Aliases

arxiv: 1507.07889 · arxiv_version: 1507.07889v1 · doi: 10.48550/arxiv.1507.07889 · pith_short_12: 7DX6OHOC3J3Z · pith_short_16: 7DX6OHOC3J3ZAXPX · pith_short_8: 7DX6OHOC

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/7DX6OHOC3J3ZAXPXVPX5POJMHT \
  | 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: f8efe71dc2da77905df7abefd7b92c3cf0b19988b4ad14136fcefc20e5592685

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "426ccbb45ba820bd5a3a63d2109da896c35e16e6619a21a8c9e05ccf07b5c545",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-07-28T18:32:55Z",
    "title_canon_sha256": "833166e5b675e92eaad55a932b765cfc90e4567c57c5d00e7a23a5335831280c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.07889",
    "kind": "arxiv",
    "version": 1
  }
}