Pith Number

pith:SPV2PZWT

pith:1999:SPV2PZWT3V7EDAT3FPM4R62J6Z

not attested not anchored not stored refs pending

Standard Models from Heterotic M-theory

Burt A. Ovrut (UPenn), CERN), Daniel Waldram (Princeton University, Ron Donagi (UPenn), Tony Pantev (UPenn)

arxiv:hep-th/9912208 v2 · 1999-12-21 · hep-th · hep-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SPV2PZWT3V7EDAT3FPM4R62J6Z}

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.

Cited by

1 paper in Pith

Advancements in Functorial Homological Mirror Symmetry

Receipt and verification

First computed	2026-07-04T14:33:33.572915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93eba7e6d3dd7e41827b2bd9c8fb49f661417fad2c906c9c240ecc547125866d

Aliases

arxiv: hep-th/9912208 · arxiv_version: hep-th/9912208v2 · doi: 10.48550/arxiv.hep-th/9912208 · pith_short_12: SPV2PZWT3V7E · pith_short_16: SPV2PZWT3V7EDAT3 · pith_short_8: SPV2PZWT

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/SPV2PZWT3V7EDAT3FPM4R62J6Z \
  | 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: 93eba7e6d3dd7e41827b2bd9c8fb49f661417fad2c906c9c240ecc547125866d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1e39b2ae9c2ebb5342dd137164b106d2f28c3c92005b483f705ccfedc4aa44e",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1999-12-21T18:25:05Z",
    "title_canon_sha256": "27d184b3f58c4dbe4faa674c7670540f7d5bb172e889d399dedc1f32f0cc55cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9912208",
    "kind": "arxiv",
    "version": 2
  }
}