Pith Number

pith:LWVPU2GG

pith:2014:LWVPU2GGBHO6RRDWJUDMR55FLU

not attested not anchored not stored refs pending

Joint astrometric solution of Hipparcos and Gaia: A recipe for the Hundred Thousand Proper Motions project

Daniel Michalik, David Hobbs, Lennart Lindegren, Uwe Lammers

arxiv:1407.4025 v2 · 2014-07-15 · 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{LWVPU2GGBHO6RRDWJUDMR55FLU}

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	2026-05-18T02:34:52.083679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5daafa68c609dde8c4764d06c8f7a55d23ec8beb25a71d0a97d047fe5c0f4408

Aliases

arxiv: 1407.4025 · arxiv_version: 1407.4025v2 · doi: 10.48550/arxiv.1407.4025 · pith_short_12: LWVPU2GGBHO6 · pith_short_16: LWVPU2GGBHO6RRDW · pith_short_8: LWVPU2GG

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/LWVPU2GGBHO6RRDWJUDMR55FLU \
  | 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: 5daafa68c609dde8c4764d06c8f7a55d23ec8beb25a71d0a97d047fe5c0f4408

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e70de7d7b848b94bfa7d5dfbe7de93f1e85c1c8a70382d51b48e6e210ce5d8a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-07-15T15:39:19Z",
    "title_canon_sha256": "cfa2fd69e61309141ee607efbfab0e13f9ca3a1561b2118b352a9ce5d521602b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4025",
    "kind": "arxiv",
    "version": 2
  }
}