Pith Number

pith:I3MD7SYH

pith:2009:I3MD7SYH4GVAJOAZXE7HECICOP

not attested not anchored not stored refs pending

Arrival Times, Complex Potentials and Decoherent Histories

J.J.Halliwell, J.M.Yearsley

arxiv:0903.1957 v1 · 2009-03-11 · 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{I3MD7SYH4GVAJOAZXE7HECICOP}

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	2026-05-18T02:14:35.949887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46d83fcb07e1aa04b819b93e72090273dd264b2c0829e24726c2c2507091af80

Aliases

arxiv: 0903.1957 · arxiv_version: 0903.1957v1 · doi: 10.48550/arxiv.0903.1957 · pith_short_12: I3MD7SYH4GVA · pith_short_16: I3MD7SYH4GVAJOAZ · pith_short_8: I3MD7SYH

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/I3MD7SYH4GVAJOAZXE7HECICOP \
  | 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: 46d83fcb07e1aa04b819b93e72090273dd264b2c0829e24726c2c2507091af80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce547f6ae705fd7925fc4ad5d41b89bc77be28c33fc1f4b5ad842420334d0f2e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-03-11T12:06:04Z",
    "title_canon_sha256": "eb2a99a4cf93a43495c2e79845eae823bf17f76c1c85afa16c7e7e2799d5eb67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.1957",
    "kind": "arxiv",
    "version": 1
  }
}