Pith Number

pith:PGWAJWYN

pith:2004:PGWAJWYNIRRKPIQDDVN6GRJ352

not attested not anchored not stored refs pending

On the Persistence of Particles

Jeremy Butterfield

arxiv:physics/0401112 v1 · 2004-01-22 · physics.class-ph · physics.gen-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{PGWAJWYNIRRKPIQDDVN6GRJ352}

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	2026-05-18T01:05:08.961499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79ac04db0d4462a7a2031d5be3453bee8ac362476ceeaeea0b1a6f1680548ed1

Aliases

arxiv: physics/0401112 · arxiv_version: physics/0401112v1 · doi: 10.48550/arxiv.physics/0401112 · pith_short_12: PGWAJWYNIRRK · pith_short_16: PGWAJWYNIRRKPIQD · pith_short_8: PGWAJWYN

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/PGWAJWYNIRRKPIQDDVN6GRJ352 \
  | 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: 79ac04db0d4462a7a2031d5be3453bee8ac362476ceeaeea0b1a6f1680548ed1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab8de0db20e177b4c72b388df56aa67d9be7027c889617c79e60a2f607b2eb61",
    "cross_cats_sorted": [
      "physics.gen-ph"
    ],
    "license": "",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2004-01-22T11:52:57Z",
    "title_canon_sha256": "f2f7c379e40ca9421bbca0699889a167b14f60724fdabbe95232340fe7dc73d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0401112",
    "kind": "arxiv",
    "version": 1
  }
}