Pith Number

pith:5SHPKQDE

pith:2001:5SHPKQDENFALKGEJJICKUCE4W2

not attested not anchored not stored refs pending

Spacetime states and covariant quantum theory

Carlo Rovelli, Michael Reisenberger

arxiv:gr-qc/0111016 v2 · 2001-11-06 · 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{5SHPKQDENFALKGEJJICKUCE4W2}

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	2026-05-18T01:06:47.794519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec8ef540646940b518894a04aa089cb68fc6123d994672535eeb01bbaf3d8631

Aliases

arxiv: gr-qc/0111016 · arxiv_version: gr-qc/0111016v2 · doi: 10.48550/arxiv.gr-qc/0111016 · pith_short_12: 5SHPKQDENFAL · pith_short_16: 5SHPKQDENFALKGEJ · pith_short_8: 5SHPKQDE

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/5SHPKQDENFALKGEJJICKUCE4W2 \
  | 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: ec8ef540646940b518894a04aa089cb68fc6123d994672535eeb01bbaf3d8631

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a95be18d67e78b78fe84a98fd0f50377544b47bd21db4cc76fabb872c14b7275",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-11-06T18:16:53Z",
    "title_canon_sha256": "2d6b74bbb4677807c4733e0ae8eb4e42755e2daf6c91ee19a5aac3049ddaedfc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0111016",
    "kind": "arxiv",
    "version": 2
  }
}