Pith Number

pith:YVFHG5AO

pith:2019:YVFHG5AOZIFT5U6DZYKD4CQM65

not attested not anchored not stored refs pending

Neither Presentism nor Eternalism

Carlo Rovelli

arxiv:1910.02474 v2 · 2019-10-06 · 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{YVFHG5AOZIFT5U6DZYKD4CQM65}

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	2026-07-05T00:39:14.302617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c54a73740eca0b3ed3c3ce143e0a0cf76b97cec13bb0798dae4f668af85db4f7

Aliases

arxiv: 1910.02474 · arxiv_version: 1910.02474v2 · doi: 10.48550/arxiv.1910.02474 · pith_short_12: YVFHG5AOZIFT · pith_short_16: YVFHG5AOZIFT5U6D · pith_short_8: YVFHG5AO

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/YVFHG5AOZIFT5U6DZYKD4CQM65 \
  | 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: c54a73740eca0b3ed3c3ce143e0a0cf76b97cec13bb0798dae4f668af85db4f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "991260eba3d571d08f7ae45748221983c357ee39dc829134b98b8d4e3dd7872f",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2019-10-06T16:35:31Z",
    "title_canon_sha256": "fdd14226070a79102e36ca76538a9dec78d2926b9a4510cec44405ad20f517e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.02474",
    "kind": "arxiv",
    "version": 2
  }
}