Pith Number

pith:L6S4I5E3

pith:2006:L6S4I5E3PYXGHFCLH3HVWSCDKO

not attested not anchored not stored refs pending

Proof of vanishing cohomology at the tachyon vacuum

Ian Ellwood, Martin Schnabl

arxiv:hep-th/0606142 v2 · 2006-06-15 · 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{L6S4I5E3PYXGHFCLH3HVWSCDKO}

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	2026-05-18T04:38:26.761293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fa5c4749b7e2e63944b3ecf5b484353999f5f4e28d547180ad55cd638249663

Aliases

arxiv: hep-th/0606142 · arxiv_version: hep-th/0606142v2 · doi: 10.48550/arxiv.hep-th/0606142 · pith_short_12: L6S4I5E3PYXG · pith_short_16: L6S4I5E3PYXGHFCL · pith_short_8: L6S4I5E3

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/L6S4I5E3PYXGHFCLH3HVWSCDKO \
  | 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: 5fa5c4749b7e2e63944b3ecf5b484353999f5f4e28d547180ad55cd638249663

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98c73e114bcf2562e5a6eea9e6ddeae5cbec8979fd192bb7805506c24567c705",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2006-06-15T19:06:58Z",
    "title_canon_sha256": "98066b47770ae9f88e7ec193b42cf230e920b60b29ee8c6cfebcaf9ade3aafa5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0606142",
    "kind": "arxiv",
    "version": 2
  }
}