Pith Number

pith:W3XICXKN

pith:2011:W3XICXKNZHR5TLWWAHN4PHKKBS

not attested not anchored not stored refs pending

Testing the gravitational lensing explanation for the MgII problem in GRBs

Andrew J. Levan, Brad E. Tucker, Brian P. Schmidt, Christopher A. Onken, J. Stuart B. Wyithe, Sharon Rapoport

arxiv:1108.5235 v2 · 2011-08-26 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W3XICXKNZHR5TLWWAHN4PHKKBS}

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	2026-05-18T03:45:23.243762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6ee815d4dc9e3d9aed601dbc79d4a0cbba4fa09fcc8b8698230e3544a9c7f8e

Aliases

arxiv: 1108.5235 · arxiv_version: 1108.5235v2 · doi: 10.48550/arxiv.1108.5235 · pith_short_12: W3XICXKNZHR5 · pith_short_16: W3XICXKNZHR5TLWW · pith_short_8: W3XICXKN

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/W3XICXKNZHR5TLWWAHN4PHKKBS \
  | 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: b6ee815d4dc9e3d9aed601dbc79d4a0cbba4fa09fcc8b8698230e3544a9c7f8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "942f784540c6bceb566daf0038c6e250f7a49d60afdd9beda3915a7113dbe9d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-26T04:13:40Z",
    "title_canon_sha256": "70697973c967a90f89f9f3d821b814d5ec822f57acc79ccc57c155960243ffa2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5235",
    "kind": "arxiv",
    "version": 2
  }
}