Pith Number

pith:Z7ECTSJ6

pith:2015:Z7ECTSJ6AKANOPDUF2BAXUP267

not attested not anchored not stored refs pending

A Transmission-Filter Coronagraph: Design and Test

Deqing Ren, Jiangpei Dou, Yongtian Zhu

arxiv:1510.03796 v1 · 2015-10-13 · 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{Z7ECTSJ6AKANOPDUF2BAXUP267}

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	2026-05-18T01:30:16.103596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfc829c93e0280d73c742e820bd1faf7d4c7be8596b03a294fe87370e811e042

Aliases

arxiv: 1510.03796 · arxiv_version: 1510.03796v1 · doi: 10.48550/arxiv.1510.03796 · pith_short_12: Z7ECTSJ6AKAN · pith_short_16: Z7ECTSJ6AKANOPDU · pith_short_8: Z7ECTSJ6

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/Z7ECTSJ6AKANOPDUF2BAXUP267 \
  | 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: cfc829c93e0280d73c742e820bd1faf7d4c7be8596b03a294fe87370e811e042

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aace1ffa5a4ca71479424394714f3a93d16453b4248c9097b983444a014921e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-10-13T17:47:56Z",
    "title_canon_sha256": "cb3c2e904af848e8dc86d8a45dd3817103ac1f454ed3de1d1600d40950e398fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.03796",
    "kind": "arxiv",
    "version": 1
  }
}