Pith Number

pith:AP44ZMVD

pith:2013:AP44ZMVDIAV4V6SIG5U2MFNSMF

not attested not anchored not stored refs pending

Corrigendum: The Plebanski sectors of the EPRL vertex

Jonathan Engle

arxiv:1301.2214 v1 · 2013-01-10 · 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{AP44ZMVDIAV4V6SIG5U2MFNSMF}

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	2026-05-18T01:52:13.801471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03f9ccb2a3402bcafa483769a615b26173e70e26f19aaf9a84dcec99fa874388

Aliases

arxiv: 1301.2214 · arxiv_version: 1301.2214v1 · doi: 10.48550/arxiv.1301.2214 · pith_short_12: AP44ZMVDIAV4 · pith_short_16: AP44ZMVDIAV4V6SI · pith_short_8: AP44ZMVD

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/AP44ZMVDIAV4V6SIG5U2MFNSMF \
  | 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: 03f9ccb2a3402bcafa483769a615b26173e70e26f19aaf9a84dcec99fa874388

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17f6fafe8fcc4d8a434641cfb98af7f64e4b3bc689c43f4b23d81275302197f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-01-10T18:46:27Z",
    "title_canon_sha256": "28dd05d16c90a5eabef3fffdbb4c628ae0a85cd06c5a4655e79779934290d2e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2214",
    "kind": "arxiv",
    "version": 1
  }
}