Pith Number

pith:B2FDT4MK

pith:2012:B2FDT4MKDV6NCP2POOOVGANNIA

not attested not anchored not stored refs pending

The Early History of String Theory and Supersymmetry

John H. Schwarz

arxiv:1201.0981 v1 · 2012-01-04 · physics.hist-ph · 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{B2FDT4MKDV6NCP2POOOVGANNIA}

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	2026-05-18T04:05:15.304650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e8a39f18a1d7cd13f4f739d5301ad400e13232c8e5fc102dd510ae2ba25682a

Aliases

arxiv: 1201.0981 · arxiv_version: 1201.0981v1 · doi: 10.48550/arxiv.1201.0981 · pith_short_12: B2FDT4MKDV6N · pith_short_16: B2FDT4MKDV6NCP2P · pith_short_8: B2FDT4MK

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/B2FDT4MKDV6NCP2POOOVGANNIA \
  | 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: 0e8a39f18a1d7cd13f4f739d5301ad400e13232c8e5fc102dd510ae2ba25682a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4ece0cae92354e9839e42e20ab0b172b26c06238fbd11f29a320873b8b0d0d4",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2012-01-04T20:12:12Z",
    "title_canon_sha256": "fbd519b05a229f603bc87a22803230ad3ba45a64dc8b45efcbd30310fda80afe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0981",
    "kind": "arxiv",
    "version": 1
  }
}