Pith Number

pith:UX3DJOFH

pith:2021:UX3DJOFH6GK4CQ5DJGHDKCPUDS

not attested not anchored not stored refs pending

Photoreverberation mapping of quasars in the context of LSST observing strategies

Andjelka B. Kovacevic, Dragana Ilic, Isidora Jankov, Iva Cvorovic-Hajdinjak, Luka C. Popovic, Paula Sanchez-Saez, Robert Nikutta, Viktor Radovic

arxiv:2111.12413 v1 · 2021-11-24 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UX3DJOFH6GK4CQ5DJGHDKCPUDS}

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	2026-07-05T03:34:51.852330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5f634b8a7f195c143a3498e3509f41cb647d2c7eadca340806a22cdebcab862

Aliases

arxiv: 2111.12413 · arxiv_version: 2111.12413v1 · doi: 10.48550/arxiv.2111.12413 · pith_short_12: UX3DJOFH6GK4 · pith_short_16: UX3DJOFH6GK4CQ5D · pith_short_8: UX3DJOFH

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/UX3DJOFH6GK4CQ5DJGHDKCPUDS \
  | 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: a5f634b8a7f195c143a3498e3509f41cb647d2c7eadca340806a22cdebcab862

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94cd45f59a849496ba12fe588629fb5aca1994a86ae0b7f014d7ed88bc5c7895",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-11-24T10:57:53Z",
    "title_canon_sha256": "c3e78442d4197a4c9322956bc62c7b5e41d2df09d56d4ac14ec7a619a7aa065e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.12413",
    "kind": "arxiv",
    "version": 1
  }
}