Pith Number

pith:7BVW33Z3

pith:2013:7BVW33Z3YCEW2N6NJ6MACKGTD2

not attested not anchored not stored refs pending

Gravitationally lensed extended sources: the case of QSO RXJ0911

D.T. Hoai, F. Boone, N.T. Thao, N.V. Hiep, P. Darriulat, P.N. Diep, P.N. Dong, P.T. Anh, P.T. Nhung

arxiv:1303.3707 v1 · 2013-03-15 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7BVW33Z3YCEW2N6NJ6MACKGTD2}

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	2026-05-18T01:51:06.909461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f86b6def3bc0896d37cd4f980128d31eb831cbd2b09d7f511b75654f5790ebeb

Aliases

arxiv: 1303.3707 · arxiv_version: 1303.3707v1 · doi: 10.48550/arxiv.1303.3707 · pith_short_12: 7BVW33Z3YCEW · pith_short_16: 7BVW33Z3YCEW2N6N · pith_short_8: 7BVW33Z3

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/7BVW33Z3YCEW2N6NJ6MACKGTD2 \
  | 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: f86b6def3bc0896d37cd4f980128d31eb831cbd2b09d7f511b75654f5790ebeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f27a7c6bb21e349cb0d01964d2d621e407e8a4343d6e8d34f0de0aa82846777",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-03-15T08:45:57Z",
    "title_canon_sha256": "d8ede356dcf7bd93ddbc9a99868086ff4e7c41029e78b85c7ed578673403808d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3707",
    "kind": "arxiv",
    "version": 1
  }
}