Pith Number

pith:WAPSCBVV

pith:2018:WAPSCBVVZC4IUYSYGSL5VTZOUR

not attested not anchored not stored refs pending

Characterization of Exoplanet Atmospheres with the Optical Coronagraph on WFIRST

Adam Burrows, Brianna Lacy, David Shlivko

arxiv:1801.08964 v2 · 2018-01-26 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WAPSCBVVZC4IUYSYGSL5VTZOUR}

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	2026-05-17T23:49:33.695236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b01f2106b5c8b88a62583497dacf2ea4466a8e9edc63633b9dac851cd9ab49ae

Aliases

arxiv: 1801.08964 · arxiv_version: 1801.08964v2 · doi: 10.48550/arxiv.1801.08964 · pith_short_12: WAPSCBVVZC4I · pith_short_16: WAPSCBVVZC4IUYSY · pith_short_8: WAPSCBVV

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/WAPSCBVVZC4IUYSYGSL5VTZOUR \
  | 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: b01f2106b5c8b88a62583497dacf2ea4466a8e9edc63633b9dac851cd9ab49ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6802278f80115163d9190825af8b430ed0aa72d00f177e4debc2d31ac96ee6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-01-26T19:57:12Z",
    "title_canon_sha256": "975926e2e5bc16443fb94c18fb6feaa019b9e8bf39fd20e7a80f57e679966607"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08964",
    "kind": "arxiv",
    "version": 2
  }
}