Pith Number

pith:II5I4FJR

pith:2011:II5I4FJRHVTJOYPKU3MGWDLT4M

not attested not anchored not stored refs pending

A high dynamic-range instrument for SPICA for coronagraphic observation of exoplanets and monitoring of transiting exoplanets

K. Enya, L. Abe, S. Takeuchi, T. Kotani, T. Yamamuro

arxiv:1110.2621 v1 · 2011-10-12 · 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{II5I4FJRHVTJOYPKU3MGWDLT4M}

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	2026-05-18T02:00:13.292373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

423a8e15313d669761eaa6d86b0d73e317e41386883062e5fd4165370abb5ee7

Aliases

arxiv: 1110.2621 · arxiv_version: 1110.2621v1 · doi: 10.48550/arxiv.1110.2621 · pith_short_12: II5I4FJRHVTJ · pith_short_16: II5I4FJRHVTJOYPK · pith_short_8: II5I4FJR

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/II5I4FJRHVTJOYPKU3MGWDLT4M \
  | 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: 423a8e15313d669761eaa6d86b0d73e317e41386883062e5fd4165370abb5ee7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce4d175174270952b4aee25b7e109fc5b3d970d5140a07e5fa64a7e007e2d879",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-10-12T10:09:36Z",
    "title_canon_sha256": "22d484a2e913a96e35f568f5fffefd8c7286e129c48995f43a1866b79dfe2edd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.2621",
    "kind": "arxiv",
    "version": 1
  }
}