Pith Number

pith:FWSJYAHD

pith:1999:FWSJYAHDMFAXSDP5RY46OZN3CV

not attested not anchored not stored refs pending

3-dimensional low-energy topological invariants

Boguslaw Broda, Malgorzata Bakalarska

arxiv:hep-th/9904060 v1 · 1999-04-08 · 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{FWSJYAHDMFAXSDP5RY46OZN3CV}

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	2026-05-18T00:45:36.644601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2da49c00e36141790dfd8e39e765bb15554656a31b8da1bfc70185b40b380d7b

Aliases

arxiv: hep-th/9904060 · arxiv_version: hep-th/9904060v1 · doi: 10.48550/arxiv.hep-th/9904060 · pith_short_12: FWSJYAHDMFAX · pith_short_16: FWSJYAHDMFAXSDP5 · pith_short_8: FWSJYAHD

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/FWSJYAHDMFAXSDP5RY46OZN3CV \
  | 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: 2da49c00e36141790dfd8e39e765bb15554656a31b8da1bfc70185b40b380d7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7dc9fb7762d49393e438135f57d5320fe91346c8848720c987b182917a45ad9c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1999-04-08T13:27:08Z",
    "title_canon_sha256": "1ac2cccdeec89f4c766212d07f90fc80def0923d782fee85ec147fd8bac956dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9904060",
    "kind": "arxiv",
    "version": 1
  }
}