Pith Number

pith:WSOO5Y7E

pith:2011:WSOO5Y7E4T3KSAO5R2DL3ILVRN

not attested not anchored not stored refs pending

A New Microlensing Event in the Doubly-Imaged Quasar Q0957+561

(2) Ohio State University, (3) U. S. Naval Observatory, (4) Haverford College, (5) CfA), Christopher W. Morgan (1), C. S. Kochanek (2), Emilio E. Falco (5), Flagstaff, Hugh C. Harris (3), J. N. Beach (1), Laura J. Hainline (1), Ross Fadely (4), T. Tilleman (3), T. X. Le (1) ((1) U. S. Naval Academy

arxiv:1107.0982 v2 · 2011-07-05 · 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{WSOO5Y7E4T3KSAO5R2DL3ILVRN}

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	2026-05-18T02:01:24.451063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b49ceee3e4e4f6a901dd8e86bda1758b7ba8a93eea1b57b17507ac68b76cc461

Aliases

arxiv: 1107.0982 · arxiv_version: 1107.0982v2 · doi: 10.48550/arxiv.1107.0982 · pith_short_12: WSOO5Y7E4T3K · pith_short_16: WSOO5Y7E4T3KSAO5 · pith_short_8: WSOO5Y7E

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/WSOO5Y7E4T3KSAO5R2DL3ILVRN \
  | 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: b49ceee3e4e4f6a901dd8e86bda1758b7ba8a93eea1b57b17507ac68b76cc461

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afd713c8c77d20a75a89a5a06dfa335b8fbb9d4f2a2f0cb6f6f49bad639e61c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-05T20:19:18Z",
    "title_canon_sha256": "0874158d24f1b9c4ec2796ede85edc15e07c92bc07a75691e0a79d4702a41a30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.0982",
    "kind": "arxiv",
    "version": 2
  }
}