Pith Number

pith:SAOYQDKW

pith:2002:SAOYQDKWT7F7KLPKJMX5OLN5F4

not attested not anchored not stored refs pending

Relativistic quantum measurement

Carlo Rovelli, Donald Marolf

arxiv:gr-qc/0203056 v2 · 2002-03-15 · 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{SAOYQDKWT7F7KLPKJMX5OLN5F4}

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	2026-07-04T16:33:42.515937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

901d880d569fcbf52dea4b2fd72dbd2f25c51afaecb1223a5539a63b56db968a

Aliases

arxiv: gr-qc/0203056 · arxiv_version: gr-qc/0203056v2 · doi: 10.48550/arxiv.gr-qc/0203056 · pith_short_12: SAOYQDKWT7F7 · pith_short_16: SAOYQDKWT7F7KLPK · pith_short_8: SAOYQDKW

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/SAOYQDKWT7F7KLPKJMX5OLN5F4 \
  | 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: 901d880d569fcbf52dea4b2fd72dbd2f25c51afaecb1223a5539a63b56db968a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0f0eec392756a77403b3a2d4b6715722f90d1eeda03573084dac2583e0a3382",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2002-03-15T12:05:55Z",
    "title_canon_sha256": "29b66678309c99b8f99ed9f178dd3082e5f3be5faf77ad07ca7fa85e4728d89a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0203056",
    "kind": "arxiv",
    "version": 2
  }
}