Pith Number

pith:NMTJHK52

pith:2007:NMTJHK52KUZQBNUASM32YOR5GA

not attested not anchored not stored refs pending

Relativity theory does not imply that the future already exists: a counterexample

Rafael D. Sorkin (Perimeter Institute, Syracuse University)

arxiv:gr-qc/0703098 v1 · 2007-03-20 · 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{NMTJHK52KUZQBNUASM32YOR5GA}

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	2026-05-18T01:39:19.935571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b2693abba553300b6809337ac3a3d303df511f22eb06bbe86b4fa5fa585f723

Aliases

arxiv: gr-qc/0703098 · arxiv_version: gr-qc/0703098v1 · doi: 10.48550/arxiv.gr-qc/0703098 · pith_short_12: NMTJHK52KUZQ · pith_short_16: NMTJHK52KUZQBNUA · pith_short_8: NMTJHK52

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/NMTJHK52KUZQBNUASM32YOR5GA \
  | 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: 6b2693abba553300b6809337ac3a3d303df511f22eb06bbe86b4fa5fa585f723

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04a6694fa85e97c99875ca6da3b0ab2ab70dc1d6ffe2d4bb40820e26a6de42ce",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-03-20T03:17:21Z",
    "title_canon_sha256": "c5bd6830615b4e9cfba0b9613bbff360ecacc8bf545c652312b86af64606029c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0703098",
    "kind": "arxiv",
    "version": 1
  }
}