Pith Number

pith:DBDRVSEC

pith:2008:DBDRVSEC673TIRDOISXR322QRH

not attested not anchored not stored refs pending

A near-IR variability study of the Galactic black hole: a red noise source with no detected periodicity

(2) University of Colorado, (3) Caltech, Andrea M. Ghez (1), Boulder, Jessica R. Lu (1), Keith Matthews (2) ((1) University of California, Leo Meyer (1), Los Angeles, Mark R. Morris (1), Pasadena), Seth D. Hornstein (2), Sylvana Yelda (1), Tuan Do (1)

arxiv:0810.0446 v1 · 2008-10-02 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DBDRVSEC673TIRDOISXR322QRH}

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	2026-05-18T04:29:26.317993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18471ac882f7f734446e44af1deb5089e5830924f1c40b90a4db86bde8552655

Aliases

arxiv: 0810.0446 · arxiv_version: 0810.0446v1 · doi: 10.48550/arxiv.0810.0446 · pith_short_12: DBDRVSEC673T · pith_short_16: DBDRVSEC673TIRDO · pith_short_8: DBDRVSEC

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/DBDRVSEC673TIRDOISXR322QRH \
  | 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: 18471ac882f7f734446e44af1deb5089e5830924f1c40b90a4db86bde8552655

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b8bd7a07d93171f54d9f7a8189bd429a00410e3092eeebaed87f91f7083a4eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-02T19:24:19Z",
    "title_canon_sha256": "2cac8bff413b909bac28bb19057137d77f682571437281ed033689f7aa64a366"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.0446",
    "kind": "arxiv",
    "version": 1
  }
}