Pith Number

pith:WDGNYU4Q

pith:2006:WDGNYU4QUQ6V3TDKII3XHJ7LPH

not attested not anchored not stored refs pending

Pions and Generalized Cohomology

Daniel S. Freed

arxiv:hep-th/0607134 v2 · 2006-07-19 · hep-th · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WDGNYU4QUQ6V3TDKII3XHJ7LPH}

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

3 papers in Pith

Perturbiner methods in scattering amplitude

Symmetry TFTs from String Theory

Topological symmetry in quantum field theory

Receipt and verification

First computed	2026-07-04T15:02:37.444579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0ccdc5390a43d5dcc6a423773a7eb79cc8bd05c81efda5e3a4bd2f2efee1e17

Aliases

arxiv: hep-th/0607134 · arxiv_version: hep-th/0607134v2 · doi: 10.48550/arxiv.hep-th/0607134 · pith_short_12: WDGNYU4QUQ6V · pith_short_16: WDGNYU4QUQ6V3TDK · pith_short_8: WDGNYU4Q

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/WDGNYU4QUQ6V3TDKII3XHJ7LPH \
  | 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: b0ccdc5390a43d5dcc6a423773a7eb79cc8bd05c81efda5e3a4bd2f2efee1e17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd8e9f539a48f49005f97d2d71f1a18589dbae68a07b299c564328f809f269b9",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2006-07-19T21:16:49Z",
    "title_canon_sha256": "e8436225cccc894ce965e326f07be47dbae081822aa887fb72ec6d22df11dc54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0607134",
    "kind": "arxiv",
    "version": 2
  }
}