Pith Number

pith:7BHJRNVW

pith:2012:7BHJRNVWAODSRK2EEIX7BFCQZ4

not attested not anchored not stored refs pending

Highly Oscillating Thin Obstacles

Ki-Ahm Lee, Martin Str\"omqvist, Minha Yoo

arxiv:1204.3462 v1 · 2012-04-16 · 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{7BHJRNVWAODSRK2EEIX7BFCQZ4}

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	2026-05-18T03:57:51.492622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f84e98b6b6038728ab44222ff09450cf3486d4fa555b4ffc431d524ff961d07f

Aliases

arxiv: 1204.3462 · arxiv_version: 1204.3462v1 · doi: 10.48550/arxiv.1204.3462 · pith_short_12: 7BHJRNVWAODS · pith_short_16: 7BHJRNVWAODSRK2E · pith_short_8: 7BHJRNVW

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/7BHJRNVWAODSRK2EEIX7BFCQZ4 \
  | 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: f84e98b6b6038728ab44222ff09450cf3486d4fa555b4ffc431d524ff961d07f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da7c0b9b2d44ace24536dc9a44674fddde2aa56f6a04b0b8a60529db51bc7bc5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-04-16T12:31:55Z",
    "title_canon_sha256": "e0538b7176a515fd3602e1fd52a8ba4b80075adbb9a2ba4ad98d898867965051"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3462",
    "kind": "arxiv",
    "version": 1
  }
}