Pith Number

pith:UOKLBCYH

pith:2013:UOKLBCYHZYJRFPMAUPAZIDNXB2

not attested not anchored not stored refs pending

A method for the microlensed flux variance of QSOs

Ai-Lei Sun, Jeremy Goodman

arxiv:1309.7369 v1 · 2013-09-27 · 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{UOKLBCYHZYJRFPMAUPAZIDNXB2}

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	2026-05-18T01:47:25.235586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a394b08b07ce1312bd80a3c1940db70eb0e824db179d4c3cafde3598e44919c6

Aliases

arxiv: 1309.7369 · arxiv_version: 1309.7369v1 · doi: 10.48550/arxiv.1309.7369 · pith_short_12: UOKLBCYHZYJR · pith_short_16: UOKLBCYHZYJRFPMA · pith_short_8: UOKLBCYH

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/UOKLBCYHZYJRFPMAUPAZIDNXB2 \
  | 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: a394b08b07ce1312bd80a3c1940db70eb0e824db179d4c3cafde3598e44919c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b96f3bf6d0a8bd2d6343af107b30a82fe51fc343ae1b9391e3fa175ebc83c54d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-09-27T21:03:53Z",
    "title_canon_sha256": "c6a8bd53e6bd474890175418c9cf852e1930be6655d63ae984eccb0c9fc36d78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7369",
    "kind": "arxiv",
    "version": 1
  }
}