Pith Number

pith:DPVR5OSV

pith:2016:DPVR5OSVVJ3A5PAE6RLDT34C6I

not attested not anchored not stored refs pending

Microlensing as a possible probe of event-horizon structure in quasars

Irshad Mohammed, Joachim Wambsganss, Manuel Rabold, Mihai Tomozeiu, Prasenjit Saha

arxiv:1604.01769 v1 · 2016-04-06 · astro-ph.HE · 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{DPVR5OSVVJ3A5PAE6RLDT34C6I}

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	2026-05-18T01:17:32.155886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1beb1eba55aa760ebc04f45639ef82f2090e498428a22043b9929c73158bbc4e

Aliases

arxiv: 1604.01769 · arxiv_version: 1604.01769v1 · doi: 10.48550/arxiv.1604.01769 · pith_short_12: DPVR5OSVVJ3A · pith_short_16: DPVR5OSVVJ3A5PAE · pith_short_8: DPVR5OSV

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/DPVR5OSVVJ3A5PAE6RLDT34C6I \
  | 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: 1beb1eba55aa760ebc04f45639ef82f2090e498428a22043b9929c73158bbc4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfad050fc8e50489947185c8463cce9998028347cee243274fba5bc13bd922af",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-04-06T20:00:01Z",
    "title_canon_sha256": "13e22e14c3e54b6b42799cc3c75d9a727a5c2d36fabe402820fc2fb63c1a029d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.01769",
    "kind": "arxiv",
    "version": 1
  }
}