Pith Number

pith:BK2PO4YA

pith:2012:BK2PO4YAMSC3S2X234RCSDBIJV

not attested not anchored not stored refs pending

How to detect an anti-spacetime

Aldo Riello, Carlo Rovelli, Marios Christodoulou

arxiv:1206.3903 v1 · 2012-06-18 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BK2PO4YAMSC3S2X234RCSDBIJV}

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.

Cited by

1 paper in Pith

Gauging Time Reversal Symmetry in Quantum Gravity: Arrow of Time from a Confinement--Deconfinement Transition

Receipt and verification

First computed	2026-05-18T01:56:51.714934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ab4f773006485b96afadf22290c284d631f24845084224ec2611a1a6b629e99

Aliases

arxiv: 1206.3903 · arxiv_version: 1206.3903v1 · doi: 10.48550/arxiv.1206.3903 · pith_short_12: BK2PO4YAMSC3 · pith_short_16: BK2PO4YAMSC3S2X2 · pith_short_8: BK2PO4YA

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/BK2PO4YAMSC3S2X234RCSDBIJV \
  | 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: 0ab4f773006485b96afadf22290c284d631f24845084224ec2611a1a6b629e99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a565cdc156cb9342bdfa6cf610cbe51aed30445905a8a4c3406892e387180d82",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-06-18T12:22:58Z",
    "title_canon_sha256": "5697277b2c9d9d1b29ff46c86e29fb0775091abba201112ffb56ef9203a6835e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.3903",
    "kind": "arxiv",
    "version": 1
  }
}