Pith Number

pith:SRVMV2S5

pith:2012:SRVMV2S5XJVH773Y2YLKYN3ZCV

not attested not anchored not stored refs pending

Microlensing of Quasar Broad Emission Lines: Constraints on Broad Line Region Size

C. S. Kochanek, E. Falco, E. Guerras, E. Mediavilla, J. A. Mu\~noz, J. Jimenez-Vicente, V. Motta

arxiv:1207.2042 v2 · 2012-07-09 · 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{SRVMV2S5XJVH773Y2YLKYN3ZCV}

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	2026-05-18T01:56:26.604173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

946acaea5dba6a7fff78d616ac377915585dc6612d2b686cb0b449e1132f54dc

Aliases

arxiv: 1207.2042 · arxiv_version: 1207.2042v2 · doi: 10.48550/arxiv.1207.2042 · pith_short_12: SRVMV2S5XJVH · pith_short_16: SRVMV2S5XJVH773Y · pith_short_8: SRVMV2S5

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/SRVMV2S5XJVH773Y2YLKYN3ZCV \
  | 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: 946acaea5dba6a7fff78d616ac377915585dc6612d2b686cb0b449e1132f54dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "819a6f68a1f958939c242f42e6d2b8dbb6d34b904d0c3f957b515d73cd657342",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-09T13:46:18Z",
    "title_canon_sha256": "008d05bbfd057f096d0ffa2a2e3953642cfa2d88f491e4ebf3880fa2b621c410"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2042",
    "kind": "arxiv",
    "version": 2
  }
}