Pith Number

pith:CPLTJAFY

pith:2011:CPLTJAFYASXAFUZ3D67ANNEJDP

not attested not anchored not stored refs pending

Optimal, scalable forward models for computing gravity anomalies

Dave A. May, Matthew G. Knepley

arxiv:1107.5951 v1 · 2011-07-29 · cs.CE · cs.DC · 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{CPLTJAFYASXAFUZ3D67ANNEJDP}

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	2026-05-18T02:01:05.764337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13d73480b804ae02d33b1fbe06b4891bdfb5355beef145cc07c90267cd995489

Aliases

arxiv: 1107.5951 · arxiv_version: 1107.5951v1 · doi: 10.48550/arxiv.1107.5951 · pith_short_12: CPLTJAFYASXA · pith_short_16: CPLTJAFYASXAFUZ3 · pith_short_8: CPLTJAFY

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/CPLTJAFYASXAFUZ3D67ANNEJDP \
  | 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: 13d73480b804ae02d33b1fbe06b4891bdfb5355beef145cc07c90267cd995489

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3727a68ce2b8e6aa9844ae47453ae1dbd4c678862db800bf5305df1267ab689",
    "cross_cats_sorted": [
      "cs.DC",
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2011-07-29T12:31:59Z",
    "title_canon_sha256": "bd71353bc2f214aebb57709c520a91945bbbe0a0e4ee4e707e9a972edc3dfd2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5951",
    "kind": "arxiv",
    "version": 1
  }
}