Pith Number

pith:Z6MEGEU7

pith:2015:Z6MEGEU7HXOCRXI627SNR4EV2P

not attested not anchored not stored refs pending

Wave propagation on Euclidean surfaces with conical singularities. I: Geometric diffraction

Andrew Hassell, G. Austin Ford, Luc Hillairet

arxiv:1505.01043 v1 · 2015-05-05 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z6MEGEU7HXOCRXI627SNR4EV2P}

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	2026-05-18T02:16:52.093256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf9843129f3ddc28dd1ed7e4d8f095d3c7baf4c55894587ab5326cb1df00ef65

Aliases

arxiv: 1505.01043 · arxiv_version: 1505.01043v1 · doi: 10.48550/arxiv.1505.01043 · pith_short_12: Z6MEGEU7HXOC · pith_short_16: Z6MEGEU7HXOCRXI6 · pith_short_8: Z6MEGEU7

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/Z6MEGEU7HXOCRXI627SNR4EV2P \
  | 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: cf9843129f3ddc28dd1ed7e4d8f095d3c7baf4c55894587ab5326cb1df00ef65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ebabac91b55be6630d9bb1b7447f4db2525c3973caf1677fe256d932358282c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-05-05T15:31:31Z",
    "title_canon_sha256": "7ca54282d3371bcaba888b2726da1b8e9bf448f5fd4695200144ac6e34ee2b57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01043",
    "kind": "arxiv",
    "version": 1
  }
}