Pith Number

pith:45QG6QWX

pith:2015:45QG6QWXBPS5MIIV2CTLRPFZZE

not attested not anchored not stored refs pending

Rigidity Results in General Relativity: a Review

Alexandru Ionescu, Sergiu Klainerman

arxiv:1501.01587 v1 · 2015-01-07 · 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{45QG6QWXBPS5MIIV2CTLRPFZZE}

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	2026-05-18T02:29:53.573842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7606f42d70be5d62115d0a6b8bcb9c9318f61d9c071b02ba38312bbe4507af4

Aliases

arxiv: 1501.01587 · arxiv_version: 1501.01587v1 · doi: 10.48550/arxiv.1501.01587 · pith_short_12: 45QG6QWXBPS5 · pith_short_16: 45QG6QWXBPS5MIIV · pith_short_8: 45QG6QWX

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/45QG6QWXBPS5MIIV2CTLRPFZZE \
  | 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: e7606f42d70be5d62115d0a6b8bcb9c9318f61d9c071b02ba38312bbe4507af4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b62a950ec67f8bace05a252a5c596c3e5120f40bd7427744b51c084e0b3e128",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-01-07T18:49:06Z",
    "title_canon_sha256": "372b7976ef8608d773decdc9e1c1f628c50d9dc2023a299d9c01168930d92d50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.01587",
    "kind": "arxiv",
    "version": 1
  }
}