Pith Number

pith:DIBWO3FI

pith:2011:DIBWO3FIUGEPCTUHX4XJ6VMMLH

not attested not anchored not stored refs pending

DASCH on KU Cyg: a ~5 year dust accretion event in ~1900

Edward Los, Jonathan Grindlay, Mathieu Servillat, Sumin Tang

arxiv:1106.0003 v1 · 2011-05-31 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DIBWO3FIUGEPCTUHX4XJ6VMMLH}

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	2026-05-18T02:01:45.233909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a03676ca8a188f14e87bf2e9f558c59e91f16b2bdd5c325a9f5cd55566d2f03

Aliases

arxiv: 1106.0003 · arxiv_version: 1106.0003v1 · doi: 10.48550/arxiv.1106.0003 · pith_short_12: DIBWO3FIUGEP · pith_short_16: DIBWO3FIUGEPCTUH · pith_short_8: DIBWO3FI

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/DIBWO3FIUGEPCTUHX4XJ6VMMLH \
  | 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: 1a03676ca8a188f14e87bf2e9f558c59e91f16b2bdd5c325a9f5cd55566d2f03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "577d3591743e1b173380adf086abe90ed1ac8697ed8ed08dd0d574f060d49c50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-05-31T20:00:03Z",
    "title_canon_sha256": "a7ae64823f7801928c9ac6fbd08fc0f46b990e47213c1070f94866ac609ec292"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.0003",
    "kind": "arxiv",
    "version": 1
  }
}