Pith Number

pith:NPGLPD7M

pith:2019:NPGLPD7MOKW4DDCBQUVNMRJSJO

not attested not anchored not stored refs pending

Twistorial and space-time descriptions of massless infinite spin (super)particles and fields

A.P. Isaev, I.L. Buchbinder, S. Fedoruk

arxiv:1903.07947 v3 · 2019-03-19 · 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{NPGLPD7MOKW4DDCBQUVNMRJSJO}

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	2026-05-17T23:43:27.761435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bccb78fec72adc18c41852ad645324bb1e2a642bd7eb66b32d9ee67a2bd43f6

Aliases

arxiv: 1903.07947 · arxiv_version: 1903.07947v3 · doi: 10.48550/arxiv.1903.07947 · pith_short_12: NPGLPD7MOKW4 · pith_short_16: NPGLPD7MOKW4DDCB · pith_short_8: NPGLPD7M

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/NPGLPD7MOKW4DDCBQUVNMRJSJO \
  | 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: 6bccb78fec72adc18c41852ad645324bb1e2a642bd7eb66b32d9ee67a2bd43f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b16177a5c2fbd01797d53c8803785f26a8614b887a3207190ecf221d72e242b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-03-19T11:35:58Z",
    "title_canon_sha256": "479263302f0b7c9f48d364b838739b87961b4af640467bee08fe38b157c3f7eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.07947",
    "kind": "arxiv",
    "version": 3
  }
}