Pith Number

pith:XPNTBHFC

pith:1999:XPNTBHFCO6WDMW22U46IBZWJ34

not attested not anchored not stored refs pending

An Interpretation of Quantum Logic

Charles Francis

arxiv:physics/9906030 v4 · 1999-06-15 · 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{XPNTBHFCO6WDMW22U46IBZWJ34}

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	2026-05-18T02:52:04.539509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbdb309ca277ac365b5aa73c80e6c9df0ae5f56b5872545bc5f122087c6dac8f

Aliases

arxiv: physics/9906030 · arxiv_version: physics/9906030v4 · doi: 10.48550/arxiv.physics/9906030 · pith_short_12: XPNTBHFCO6WD · pith_short_16: XPNTBHFCO6WDMW22 · pith_short_8: XPNTBHFC

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/XPNTBHFCO6WDMW22U46IBZWJ34 \
  | 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: bbdb309ca277ac365b5aa73c80e6c9df0ae5f56b5872545bc5f122087c6dac8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae93a29e7ddeec89cc85373bc2e2c10ecd77ed364e5fbd960ddef432b960f558",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "1999-06-15T06:19:45Z",
    "title_canon_sha256": "0b5af60c5f5c1f3996fbe22019dd86baac5662c9d92ead65f4684ce64afc2479"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/9906030",
    "kind": "arxiv",
    "version": 4
  }
}