Pith Number

pith:ZPFLRAL6

pith:2010:ZPFLRAL65BZJIITNBARAZH6NG7

not attested not anchored not stored refs pending

Sizes and Temperature Profiles of Quasar Accretion Disks from Chromatic Microlensing

2), (2) MIT, (3) Eureka Scientific), David Pooley (3), Jeffrey A. Blackburne (1, Paul L. Schechter (2) ((1) Ohio State, Saul Rappaport (2)

arxiv:1007.1665 v2 · 2010-07-09 · 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{ZPFLRAL65BZJIITNBARAZH6NG7}

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	2026-05-18T04:27:58.143206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbcab8817ee87294226d08220c9fcd37f3fffd610c7e0940340c862c8b85c277

Aliases

arxiv: 1007.1665 · arxiv_version: 1007.1665v2 · doi: 10.48550/arxiv.1007.1665 · pith_short_12: ZPFLRAL65BZJ · pith_short_16: ZPFLRAL65BZJIITN · pith_short_8: ZPFLRAL6

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/ZPFLRAL65BZJIITNBARAZH6NG7 \
  | 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: cbcab8817ee87294226d08220c9fcd37f3fffd610c7e0940340c862c8b85c277

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdc162afa05574c0412efbfbee2cf12173930adfdeb6c451e499293e989b0bb3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-07-09T20:12:21Z",
    "title_canon_sha256": "9084acd52ba22470f5563f667da9225344380ab98953a03dc44a2b8223daf2f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.1665",
    "kind": "arxiv",
    "version": 2
  }
}