Pith Number

pith:U2FEMNBJ

pith:2010:U2FEMNBJG2MKWSO7MVXPAFPIXQ

not attested not anchored not stored refs pending

On the extension of a TCFT to the boundary of the moduli space

Alastair Hamilton

arxiv:1002.2670 v1 · 2010-02-13 · math.QA · 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{U2FEMNBJG2MKWSO7MVXPAFPIXQ}

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	2026-05-18T02:09:08.612527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a68a4634293698ab49df656ef015e8bc08e26f46ae5e37bef11554ffe2c4958e

Aliases

arxiv: 1002.2670 · arxiv_version: 1002.2670v1 · doi: 10.48550/arxiv.1002.2670 · pith_short_12: U2FEMNBJG2MK · pith_short_16: U2FEMNBJG2MKWSO7 · pith_short_8: U2FEMNBJ

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/U2FEMNBJG2MKWSO7MVXPAFPIXQ \
  | 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: a68a4634293698ab49df656ef015e8bc08e26f46ae5e37bef11554ffe2c4958e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b533cafff4ad43ab26f5ee21c9e7e5e4f9107d0b8eb5f9a15b83665d573129cc",
    "cross_cats_sorted": [
      "hep-th",
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2010-02-13T01:56:05Z",
    "title_canon_sha256": "8caa28be78f9b8c9d79213d84cfdf3ba167dc8001426fcb3a9b7cc442ec74753"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.2670",
    "kind": "arxiv",
    "version": 1
  }
}