Pith Number

pith:JMT6EZCW

pith:2007:JMT6EZCWWMPYKGNAH6LWASZM7M

not attested not anchored not stored refs pending

Excision for deformation K-theory of free products

Daniel A. Ramras

arxiv:math/0703463 v3 · 2007-03-15 · math.KT · 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{JMT6EZCWWMPYKGNAH6LWASZM7M}

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	2026-05-18T00:16:34.346688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b27e26456b31f8519a03f97604b2cfb075191c7b820e5554e4a6bfd3c32f166

Aliases

arxiv: math/0703463 · arxiv_version: math/0703463v3 · doi: 10.48550/arxiv.math/0703463 · pith_short_12: JMT6EZCWWMPY · pith_short_16: JMT6EZCWWMPYKGNA · pith_short_8: JMT6EZCW

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/JMT6EZCWWMPYKGNAH6LWASZM7M \
  | 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: 4b27e26456b31f8519a03f97604b2cfb075191c7b820e5554e4a6bfd3c32f166

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "430aa78ba5874cc02c0f115fc6918a268f199a4eb385b034e78291f878091780",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2007-03-15T17:47:54Z",
    "title_canon_sha256": "362ce79a3d99adaa52dac93ce32865a4ca691c53ee20c43d81c9c17051f79c88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0703463",
    "kind": "arxiv",
    "version": 3
  }
}