Pith Number

pith:P5EJJSL6

pith:2022:P5EJJSL6M3JXTAJAOAYNGLG7GC

not attested not anchored not stored refs pending

Two Roads to Retrocausality

Emily Adlam

arxiv:2201.12934 v1 · 2022-01-30 · 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{P5EJJSL6M3JXTAJAOAYNGLG7GC}

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.

Cited by

1 paper in Pith

Quantum Reconstruction and Phenomenology per the Relativity Principle

Receipt and verification

First computed	2026-07-05T03:52:41.096734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f4894c97e66d37981207030d32cdf308910602dbbfe8ee102967c69ffb9e652

Aliases

arxiv: 2201.12934 · arxiv_version: 2201.12934v1 · doi: 10.48550/arxiv.2201.12934 · pith_short_12: P5EJJSL6M3JX · pith_short_16: P5EJJSL6M3JXTAJA · pith_short_8: P5EJJSL6

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/P5EJJSL6M3JXTAJAOAYNGLG7GC \
  | 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: 7f4894c97e66d37981207030d32cdf308910602dbbfe8ee102967c69ffb9e652

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "918fb59d192e6263590ff97061de66861d8ad1a560f33b1ba9f00683099c080b",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2022-01-30T23:04:53Z",
    "title_canon_sha256": "2ac1a7525e57ff81e7efa52c8a4db0ea3611ef8137e68af4404338c25420bb33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.12934",
    "kind": "arxiv",
    "version": 1
  }
}