Pith Number

pith:BS5I2JV7

pith:2012:BS5I2JV74NTBW5ZRWS5OVVHQRA

not attested not anchored not stored refs pending

Quantum field theory on the Bertotti-Robinson space-time

Adrian C. Ottewill, Peter Taylor

arxiv:1209.6080 v1 · 2012-09-26 · 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{BS5I2JV74NTBW5ZRWS5OVVHQRA}

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	2026-05-18T01:54:13.540799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cba8d26bfe3661b7731b4baead4f0882769634bad54855bae42d6d7fc9add69

Aliases

arxiv: 1209.6080 · arxiv_version: 1209.6080v1 · doi: 10.48550/arxiv.1209.6080 · pith_short_12: BS5I2JV74NTB · pith_short_16: BS5I2JV74NTBW5ZR · pith_short_8: BS5I2JV7

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/BS5I2JV74NTBW5ZRWS5OVVHQRA \
  | 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: 0cba8d26bfe3661b7731b4baead4f0882769634bad54855bae42d6d7fc9add69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56612b1f729a886e08dcf8bb69cfae4d94bcc76b21df5fed016022433358795c",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-09-26T21:19:48Z",
    "title_canon_sha256": "1482fbf1e70992bbed278efa812071596df4ccf5dd8f7b182fc8ec67d74befb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.6080",
    "kind": "arxiv",
    "version": 1
  }
}