Pith Number

pith:3ZNX2J6G

pith:2010:3ZNX2J6GSYPGISJVR5NMWSV3FR

not attested not anchored not stored refs pending

Does Time-Symmetry Imply Retrocausality? How the Quantum World Says "Maybe"

Huw Price

arxiv:1002.0906 v3 · 2010-02-04 · 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{3ZNX2J6GSYPGISJVR5NMWSV3FR}

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	2026-05-18T03:53:29.740765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de5b7d27c6961e6449358f5acb4abb2c557851cd64f8df68aecc1670e962f29c

Aliases

arxiv: 1002.0906 · arxiv_version: 1002.0906v3 · doi: 10.48550/arxiv.1002.0906 · pith_short_12: 3ZNX2J6GSYPG · pith_short_16: 3ZNX2J6GSYPGISJV · pith_short_8: 3ZNX2J6G

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/3ZNX2J6GSYPGISJVR5NMWSV3FR \
  | 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: de5b7d27c6961e6449358f5acb4abb2c557851cd64f8df68aecc1670e962f29c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11f11a17fbe2f5b50a5cba94269173fc5daeeedc12cbb45f832ecf634a1be533",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-02-04T07:09:01Z",
    "title_canon_sha256": "492b7036804251154748e42f687a407f2f98f45afc68c7974b536ff37eb459a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0906",
    "kind": "arxiv",
    "version": 3
  }
}