Pith Number

pith:ULRHPAKP

pith:2025:ULRHPAKPUCN4WHT6JXVT6FMTDK

not attested not anchored not stored refs pending

Agency under indefinite causality: operational eternalism in higher-order quantum theory

Alexei Grinbaum

arxiv:2512.22879 v2 · 2025-12-28 · 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{ULRHPAKPUCN4WHT6JXVT6FMTDK}

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

Frame perspectives for process matrices: from coordinate parametrization to spacetime representation

Receipt and verification

First computed	2026-07-23T01:23:32.205693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2e277814fa09bcb1e7e4deb3f15931a8ef9d0e01ba7aeb8b2f249bb6b9977c6

Aliases

arxiv: 2512.22879 · arxiv_version: 2512.22879v2 · doi: 10.48550/arxiv.2512.22879 · pith_short_12: ULRHPAKPUCN4 · pith_short_16: ULRHPAKPUCN4WHT6 · pith_short_8: ULRHPAKP

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/ULRHPAKPUCN4WHT6JXVT6FMTDK \
  | 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: a2e277814fa09bcb1e7e4deb3f15931a8ef9d0e01ba7aeb8b2f249bb6b9977c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59088dfeb97c831ffa4646b41cac39fbe86d7ca04af2efb66e2079853161a391",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-12-28T11:00:41Z",
    "title_canon_sha256": "4548d308e6f78fc98b5b550cb91b7f71e130dc03d8197db0e0291a787f851f61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.22879",
    "kind": "arxiv",
    "version": 2
  }
}