Pith Number

pith:RCMWCVBG

pith:2018:RCMWCVBG6WNW7XAELDBYMSM2QS

not attested not anchored not stored refs pending

Upper limit on the Stiffness of space-time

Adrian Melissinos

arxiv:1806.01133 v1 · 2018-05-30 · physics.gen-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RCMWCVBG6WNW7XAELDBYMSM2QS}

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	2026-05-18T00:14:17.335779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8899615426f59b6fdc0458c386499a848dcc5f8b33f2be4fefbbd110ab0c1b38

Aliases

arxiv: 1806.01133 · arxiv_version: 1806.01133v1 · doi: 10.48550/arxiv.1806.01133 · pith_short_12: RCMWCVBG6WNW · pith_short_16: RCMWCVBG6WNW7XAE · pith_short_8: RCMWCVBG

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/RCMWCVBG6WNW7XAELDBYMSM2QS \
  | 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: 8899615426f59b6fdc0458c386499a848dcc5f8b33f2be4fefbbd110ab0c1b38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8696c0afa6a81f1cb1b353087fed4c50f514d3f7f38d283cd0049448043dee59",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2018-05-30T22:23:59Z",
    "title_canon_sha256": "a466945d6d1499295feba004f0a7ca1e74bbf307dd635f472bc6b753f37be832"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.01133",
    "kind": "arxiv",
    "version": 1
  }
}