Pith Number

pith:WFE6YZMN

pith:2018:WFE6YZMNOXY27PFDSLGR3RROK5

not attested not anchored not stored refs pending

Accretion Disk Size Measurement and Time Delays in the Lensed Quasar WFI 2033-4723

Ana M. Mosquera, Christopher S. Kochanek, Christopher W. Morgan, Emilio E. Falco, Frederic Courbin, Gregory E. Hyer, Matthew Cornachione, Vivien Bonvin

arxiv:1812.05639 v1 · 2018-12-13 · astro-ph.GA · 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{WFE6YZMNOXY27PFDSLGR3RROK5}

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	2026-05-17T23:57:37.043523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b149ec658d75f1afbca392cd1dc62e5766e41dbe055448f0aa77dac5aa0a80ce

Aliases

arxiv: 1812.05639 · arxiv_version: 1812.05639v1 · doi: 10.48550/arxiv.1812.05639 · pith_short_12: WFE6YZMNOXY2 · pith_short_16: WFE6YZMNOXY27PFD · pith_short_8: WFE6YZMN

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/WFE6YZMNOXY27PFDSLGR3RROK5 \
  | 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: b149ec658d75f1afbca392cd1dc62e5766e41dbe055448f0aa77dac5aa0a80ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecac24c7a73fa7ee2048667eb979bd4bcb7e75080c660bbe13f3bc7297efe3b7",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-12-13T19:17:22Z",
    "title_canon_sha256": "1b7becd09ff741038e3dd714de352b8044b9bbbae2d697a9f871c43d7aec7018"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.05639",
    "kind": "arxiv",
    "version": 1
  }
}