Pith Number

pith:ZF37ZGTP

pith:2018:ZF37ZGTPJEJEGF6DMYNSVQRQ5R

not attested not anchored not stored refs pending

Analyzing Bleriot's propeller gaps in Cassini NAC images

Frank Spahn, Holger Hoffmann, Martin Sei{\ss}, Michael Seiler

arxiv:1811.05329 v1 · 2018-11-13 · 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{ZF37ZGTPJEJEGF6DMYNSVQRQ5R}

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	2026-05-18T00:00:46.345115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c977fc9a6f49124317c3661b2ac230ec661126c9734ddfa81da26b2bd4db18db

Aliases

arxiv: 1811.05329 · arxiv_version: 1811.05329v1 · doi: 10.48550/arxiv.1811.05329 · pith_short_12: ZF37ZGTPJEJE · pith_short_16: ZF37ZGTPJEJEGF6D · pith_short_8: ZF37ZGTP

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/ZF37ZGTPJEJEGF6DMYNSVQRQ5R \
  | 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: c977fc9a6f49124317c3661b2ac230ec661126c9734ddfa81da26b2bd4db18db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dc240901e5a0eb127d0c5f0c466f861c03217620640dfcb082de0ecf86d3078",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-11-13T14:34:01Z",
    "title_canon_sha256": "d60b8e60b2d327645d1941d833683b9a6bc418161f1f082b14fa74316434b035"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.05329",
    "kind": "arxiv",
    "version": 1
  }
}