Pith Number

pith:W2PNNUQD

pith:2011:W2PNNUQDJNKEI2ZHCRSYQ43NRS

not attested not anchored not stored refs pending

Locating the LCROSS Impact Craters

Anthony Colaprete, Barbara Wilson, Brian Kennedy, David Smith, Eric Gurrola, Gregory Neumann, Leif Harcke, Mark Shirley, Martin Slade, Scott Hensley, William Marshall, Zachary Moratto

arxiv:1103.1687 v1 · 2011-03-09 · physics.space-ph · 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{W2PNNUQDJNKEI2ZHCRSYQ43NRS}

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	2026-05-18T04:27:05.981236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b69ed6d2034b54446b27146588736d8c9e0495625b8d0ce4c3720c53a0410bc1

Aliases

arxiv: 1103.1687 · arxiv_version: 1103.1687v1 · doi: 10.48550/arxiv.1103.1687 · pith_short_12: W2PNNUQDJNKE · pith_short_16: W2PNNUQDJNKEI2ZH · pith_short_8: W2PNNUQD

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/W2PNNUQDJNKEI2ZHCRSYQ43NRS \
  | 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: b69ed6d2034b54446b27146588736d8c9e0495625b8d0ce4c3720c53a0410bc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "427e6bf4feec2d167d3dae5d6888d8439a05fb553f4a9e10d4393dbfed5f9914",
    "cross_cats_sorted": [
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2011-03-09T01:52:40Z",
    "title_canon_sha256": "295f58fffd933f2c8c8fa13493767587782d98e10b743cbd11e0661afe3860f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.1687",
    "kind": "arxiv",
    "version": 1
  }
}