Pith Number

pith:WDSNBBI4

pith:2011:WDSNBBI4AIMW45CKY356TAOSYT

not attested not anchored not stored refs pending

A dual-mask coronagraph for observing faint companions to binary stars

Christian Thalmann, Eric Cady, Michael McElwain, N. Jeremy Kasdin

arxiv:1103.3275 v1 · 2011-03-16 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WDSNBBI4AIMW45CKY356TAOSYT}

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	2026-05-18T02:02:50.619068Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0e4d0851c02196e744ac6fbe981d2c4d7b2aae55c8d4aaad313286a031237bc

Aliases

arxiv: 1103.3275 · arxiv_version: 1103.3275v1 · doi: 10.48550/arxiv.1103.3275 · pith_short_12: WDSNBBI4AIMW · pith_short_16: WDSNBBI4AIMW45CK · pith_short_8: WDSNBBI4

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/WDSNBBI4AIMW45CKY356TAOSYT \
  | 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: b0e4d0851c02196e744ac6fbe981d2c4d7b2aae55c8d4aaad313286a031237bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15b6b44f612c3619d8a9f39e504f78ec0875eab41256e244898cfa68c6861e31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-03-16T20:00:08Z",
    "title_canon_sha256": "1956c7ffedc3b6c8540cbfbed737674d42444ee7ff11835d05667896b78c2bc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3275",
    "kind": "arxiv",
    "version": 1
  }
}