Pith Number

pith:RTCTYR2P

pith:2010:RTCTYR2P2CTZNOFXL2656RAXMH

not attested not anchored not stored refs pending

Modeling the Time Variability of SDSS Stripe 82 Quasars as a Damped Random Walk

A. C. Becker, A. Kimball, B. C. Kelly, B. Sesar, C. L. MacLeod, C. S. Kochanek, D. Westman, E. Bullock, K. Brooks, R. Gibson, S. Koz{\l}owski, \v{Z}. Ivezi\'c, W. H. de Vries

arxiv:1004.0276 v2 · 2010-04-02 · astro-ph.CO

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

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.

Cited by

1 paper in Pith

A "Black Hole Star" Reveals the Remarkable Gas-Enshrouded Hearts of the Little Red Dots

Receipt and verification

First computed	2026-05-18T04:41:25.002626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cc53c474fd0a796b8b75ebddf441761eb090656a8c8de85f756b0b85b6083a0

Aliases

arxiv: 1004.0276 · arxiv_version: 1004.0276v2 · doi: 10.48550/arxiv.1004.0276 · pith_short_12: RTCTYR2P2CTZ · pith_short_16: RTCTYR2P2CTZNOFX · pith_short_8: RTCTYR2P

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/RTCTYR2P2CTZNOFXL2656RAXMH \
  | 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: 8cc53c474fd0a796b8b75ebddf441761eb090656a8c8de85f756b0b85b6083a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5255feff36843976004f61fd52cc3571bbb7f6cb49684463006982d480ff0e50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-04-02T02:43:45Z",
    "title_canon_sha256": "c1280a43a4cff231755613695d1d75d806f4d9aa91697cbfe053ce99085726a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.0276",
    "kind": "arxiv",
    "version": 2
  }
}