Pith Number

pith:V2KSQJND

pith:2011:V2KSQJNDVHHK57DR3VIX7TXP2W

not attested not anchored not stored refs pending

MHV diagrams in twistor space and the twistor action

Lionel Mason, Tim Adamo

arxiv:1103.1352 v4 · 2011-03-07 · 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{V2KSQJNDVHHK57DR3VIX7TXP2W}

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	2026-05-18T02:02:58.694541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae952825a3a9ceaefc71dd517fceefd5ae77934f32c7bf9cc2b18c98567c4beb

Aliases

arxiv: 1103.1352 · arxiv_version: 1103.1352v4 · doi: 10.48550/arxiv.1103.1352 · pith_short_12: V2KSQJNDVHHK · pith_short_16: V2KSQJNDVHHK57DR · pith_short_8: V2KSQJND

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/V2KSQJNDVHHK57DR3VIX7TXP2W \
  | 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: ae952825a3a9ceaefc71dd517fceefd5ae77934f32c7bf9cc2b18c98567c4beb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba4609c0f6fe9e663330e98419ea4c3b18ff6909e46ff51e42bd0b3c582bc24a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-03-07T19:42:45Z",
    "title_canon_sha256": "4e310f4e43579bf94ce7b52b5969274c26d875585ac5070b2ce94ccbf4a65795"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.1352",
    "kind": "arxiv",
    "version": 4
  }
}