Pith Number

pith:TUJL354G

pith:2015:TUJL354GUFAIM73QISPQMEB22O

not attested not anchored not stored refs pending

Phase-Occultation Nulling Coronagraphy

Brian A. Hicks, Mark Clampin, Peter Petrone III, Richard G. Lyon

arxiv:1504.05747 v1 · 2015-04-22 · 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{TUJL354GUFAIM73QISPQMEB22O}

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	2026-05-18T02:18:12.789225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d12bdf786a140867f70449f06103ad385bedb937807a433a7fdf74ccbbbd360

Aliases

arxiv: 1504.05747 · arxiv_version: 1504.05747v1 · doi: 10.48550/arxiv.1504.05747 · pith_short_12: TUJL354GUFAI · pith_short_16: TUJL354GUFAIM73Q · pith_short_8: TUJL354G

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/TUJL354GUFAIM73QISPQMEB22O \
  | 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: 9d12bdf786a140867f70449f06103ad385bedb937807a433a7fdf74ccbbbd360

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6aa9df6c6df68da02a542142cd35c23136b5e3bef88ff378bab82192dfbeefd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-04-22T11:46:05Z",
    "title_canon_sha256": "acba447096f06d0328565194b758ceb4534a674574a3c9cc97f6dd562fc66401"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05747",
    "kind": "arxiv",
    "version": 1
  }
}