Pith Number

pith:2SAHQ57Y

pith:1995:2SAHQ57YJN5MWAL2WYCWNANIGS

not attested not anchored not stored refs pending

The Heterotic String is a Soliton

A. Strominger, J. A. Harvey

arxiv:hep-th/9504047 v2 · 1995-04-08 · 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{2SAHQ57YJN5MWAL2WYCWNANIGS}

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	2026-07-04T15:50:09.031453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4807877f84b7acb017ab6056681a8349062fdf3bb509be1503adff4914708cb

Aliases

arxiv: hep-th/9504047 · arxiv_version: hep-th/9504047v2 · doi: 10.48550/arxiv.hep-th/9504047 · pith_short_12: 2SAHQ57YJN5M · pith_short_16: 2SAHQ57YJN5MWAL2 · pith_short_8: 2SAHQ57Y

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/2SAHQ57YJN5MWAL2WYCWNANIGS \
  | 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: d4807877f84b7acb017ab6056681a8349062fdf3bb509be1503adff4914708cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ab5d463d87251044106b7e84bdeb7267b61a538422bb3dbb7d0d49882c0f968",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1995-04-08T00:08:00Z",
    "title_canon_sha256": "3edcb25094972dc994924ce3123d1c1dc09cc3187280916d7d5d58cb91092fcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9504047",
    "kind": "arxiv",
    "version": 2
  }
}