Pith Number

pith:ISRZE7BO

pith:2010:ISRZE7BOSIU2JPMPUAKF5YIWQM

not attested not anchored not stored refs pending

Spectral variability of quasars from multi-epoch photometric data in the Sloan Digital Sky Survey Stripe 82

(2) University Bern, (3) Astrophysikalisches Institut Potsdam, A. de Hoon (3) ((1) TLS Tautenburg, A. Hinze (2), Germany, Germany), H. Meusinger (1), Switzerland

arxiv:1010.5386 v1 · 2010-10-26 · 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{ISRZE7BOSIU2JPMPUAKF5YIWQM}

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	2026-05-18T02:04:58.268546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44a3927c2e9229a4bd8fa0145ee116833d7a5423d861634cde3a3f61c0ed679c

Aliases

arxiv: 1010.5386 · arxiv_version: 1010.5386v1 · doi: 10.48550/arxiv.1010.5386 · pith_short_12: ISRZE7BOSIU2 · pith_short_16: ISRZE7BOSIU2JPMP · pith_short_8: ISRZE7BO

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/ISRZE7BOSIU2JPMPUAKF5YIWQM \
  | 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: 44a3927c2e9229a4bd8fa0145ee116833d7a5423d861634cde3a3f61c0ed679c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6ad15864d2b17bb4f7424f0faf08294f400fd0a2a09f83e5ccb694f01cb3039",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-10-26T13:14:19Z",
    "title_canon_sha256": "59910625dc1a99aa7476381e05999d95adbf2d240622825d0a2267b5ccc833e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.5386",
    "kind": "arxiv",
    "version": 1
  }
}