Pith Number

pith:HGM6J3QL

pith:2019:HGM6J3QLO6TUNQPOVJBNGLX6Y3

not attested not anchored not stored refs pending

Simplifying the vacuum bazooka

Eunsoo Shin, Junghwan Lee, Woong Sung Lee

arxiv:1901.06264 v2 · 2019-01-17 · physics.ed-ph · physics.class-ph · physics.pop-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HGM6J3QLO6TUNQPOVJBNGLX6Y3}

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	2026-05-17T23:50:50.344190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3999e4ee0b77a746c1eeaa42d32efec6d01f9505b9a7c5a389aaff5cb8e241cb

Aliases

arxiv: 1901.06264 · arxiv_version: 1901.06264v2 · doi: 10.48550/arxiv.1901.06264 · pith_short_12: HGM6J3QLO6TU · pith_short_16: HGM6J3QLO6TUNQPO · pith_short_8: HGM6J3QL

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/HGM6J3QLO6TUNQPOVJBNGLX6Y3 \
  | 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: 3999e4ee0b77a746c1eeaa42d32efec6d01f9505b9a7c5a389aaff5cb8e241cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73e302fd4b463c1cbbc5ccc44eca7ff6e574de501f1f3214aafcb4e0e98774ce",
    "cross_cats_sorted": [
      "physics.class-ph",
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2019-01-17T16:54:10Z",
    "title_canon_sha256": "befb3e5f1b34987f3e6ed472f8218c887fd06f9f237d660dbef99a4e1d04f34b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06264",
    "kind": "arxiv",
    "version": 2
  }
}