Pith Number

pith:2KV5TPAO

pith:2022:2KV5TPAOS2IA5U2H3UXKVLHRPN

not attested not anchored not stored refs pending

Watching the Clocks: Interpreting the Page-Wootters Formalism and the Internal Quantum Reference Frame Programme

Emily Adlam

arxiv:2203.06755 v1 · 2022-03-13 · 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{2KV5TPAOS2IA5U2H3UXKVLHRPN}

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	2026-07-05T04:59:20.410834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2abd9bc0e96900ed347dd2eaaacf17b46c09500fb00aebf098f198bfc22537a

Aliases

arxiv: 2203.06755 · arxiv_version: 2203.06755v1 · doi: 10.48550/arxiv.2203.06755 · pith_short_12: 2KV5TPAOS2IA · pith_short_16: 2KV5TPAOS2IA5U2H · pith_short_8: 2KV5TPAO

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/2KV5TPAOS2IA5U2H3UXKVLHRPN \
  | 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: d2abd9bc0e96900ed347dd2eaaacf17b46c09500fb00aebf098f198bfc22537a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc424b1e6fc4030d5e3250f8db70ae8c7f2a09cbe97fd0e4c38fa510dd15eb5e",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2022-03-13T20:35:05Z",
    "title_canon_sha256": "d33dd979054eb7c5f3c7f66a272824f76931d5aa216f317cbcd3dfb4a8796f1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.06755",
    "kind": "arxiv",
    "version": 1
  }
}