Pith Number

pith:QPPTMZLO

pith:2020:QPPTMZLO46E3OF4LLA4VKWRUZ3

not attested not anchored not stored refs pending

Spacetime functionalism from a realist perspective

Christian Wuthrich, Vincent Lam

arxiv:2003.10172 v1 · 2020-03-23 · physics.hist-ph · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QPPTMZLO46E3OF4LLA4VKWRUZ3}

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

Against Radical Relationalism: in Defense of the Ordinal Structure of Time

Receipt and verification

First computed	2026-07-05T00:49:50.346038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83df36656ee789b7178b5839555a34ced21de275101bf81c07c207a9da6a4129

Aliases

arxiv: 2003.10172 · arxiv_version: 2003.10172v1 · doi: 10.48550/arxiv.2003.10172 · pith_short_12: QPPTMZLO46E3 · pith_short_16: QPPTMZLO46E3OF4L · pith_short_8: QPPTMZLO

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/QPPTMZLO46E3OF4LLA4VKWRUZ3 \
  | 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: 83df36656ee789b7178b5839555a34ced21de275101bf81c07c207a9da6a4129

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1ad7a7854280617dc7ec4381b9a3fb16aec66dedb129d36e8d4a2dcdbe6e84d",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2020-03-23T10:38:53Z",
    "title_canon_sha256": "8851ee3330d7d613873a00bb4449941b2a17d4774a2a32d7194262d78ce1007e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.10172",
    "kind": "arxiv",
    "version": 1
  }
}