Pith Number

pith:2QRC2WSF

pith:2018:2QRC2WSF2OCK7LEVF4LGJG3NWX

not attested not anchored not stored refs pending

Why Be Regular? Part II

Benjamin Feintzeig, James Owen Weatherall

arxiv:1805.05567 v1 · 2018-05-15 · physics.hist-ph · quant-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{2QRC2WSF2OCK7LEVF4LGJG3NWX}

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	2026-05-18T00:16:00.189669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4222d5a45d384afac952f16649b6db5e1c917c4300dc48cfd38fb41eabf57ea

Aliases

arxiv: 1805.05567 · arxiv_version: 1805.05567v1 · doi: 10.48550/arxiv.1805.05567 · pith_short_12: 2QRC2WSF2OCK · pith_short_16: 2QRC2WSF2OCK7LEV · pith_short_8: 2QRC2WSF

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/2QRC2WSF2OCK7LEVF4LGJG3NWX \
  | 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: d4222d5a45d384afac952f16649b6db5e1c917c4300dc48cfd38fb41eabf57ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a125fb7477460621d94b54e27c4241434a289ede96c22b5657dfc2d4d67e6f6",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2018-05-15T05:30:47Z",
    "title_canon_sha256": "83ca89608b54cd838e8ba2ffa4114f78501bab17e71e66d16b38d21442287e42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05567",
    "kind": "arxiv",
    "version": 1
  }
}