Pith Number

pith:NDLANGWI

pith:2015:NDLANGWI2ARNR6ZAUCUETCJLCH

not attested not anchored not stored refs pending

The Gaia Mission, Binary Stars and Exoplanets

Benoit Carry, Berry Holl, Dafydd W. Evans, Dimitri Pourbaix, Laurent Eyer, Lorenzo Rimoldini, Nami Mowlavi, Pierre North, Shay Zucker, Simon T. Hodgkin, William Thuillot

arxiv:1502.03829 v1 · 2015-02-12 · astro-ph.IM · 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{NDLANGWI2ARNR6ZAUCUETCJLCH}

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	2026-05-18T02:27:08.531527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68d6069ac8d022d8fb20a0a849892b11c96a0eddd7c7961b6e8b43a901dc48de

Aliases

arxiv: 1502.03829 · arxiv_version: 1502.03829v1 · doi: 10.48550/arxiv.1502.03829 · pith_short_12: NDLANGWI2ARN · pith_short_16: NDLANGWI2ARNR6ZA · pith_short_8: NDLANGWI

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/NDLANGWI2ARNR6ZAUCUETCJLCH \
  | 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: 68d6069ac8d022d8fb20a0a849892b11c96a0eddd7c7961b6e8b43a901dc48de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf3a6e43d8e68989a4933c60631fcf519fca3d5e8302a14881f3511b7d92faa5",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-02-12T21:10:21Z",
    "title_canon_sha256": "6475e715d561c4ead7873a0a38632e5b3839134b26bd13d20b46f91d5d8d4508"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03829",
    "kind": "arxiv",
    "version": 1
  }
}