Pith Number

pith:LG6PM7VD

pith:2008:LG6PM7VDMFFDAUIISHYZMST42Q

not attested not anchored not stored refs pending

Precise geodesy with the Very Long Baseline Array

Chopo Ma, Claudia Carabajal, Dan MacMillan, David Gordon, Ed Fomalont, John Gipson, Leonid Petrov, R. Craig Walker

arxiv:0806.0167 v2 · 2008-06-01 · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LG6PM7VDMFFDAUIISHYZMST42Q}

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	2026-05-18T04:33:36.732407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59bcf67ea3614a30510891f1964a7cd43fa9845c17665d85321dcb8373ae88f4

Aliases

arxiv: 0806.0167 · arxiv_version: 0806.0167v2 · doi: 10.48550/arxiv.0806.0167 · pith_short_12: LG6PM7VDMFFD · pith_short_16: LG6PM7VDMFFDAUII · pith_short_8: LG6PM7VD

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/LG6PM7VDMFFDAUIISHYZMST42Q \
  | 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: 59bcf67ea3614a30510891f1964a7cd43fa9845c17665d85321dcb8373ae88f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bca7b73821c6bfda768ab9905f40b199f35d96b3fcc243aacc836c28aabe66a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2008-06-01T19:30:55Z",
    "title_canon_sha256": "f75c8661a09b35a1d50353986aad5d18992cb3c4ff1f780ae9311bea0ab8566c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.0167",
    "kind": "arxiv",
    "version": 2
  }
}