Pith Number

pith:SAKW6RBY

pith:2014:SAKW6RBYJMWKAVK2WPXLSSZGNH

not attested not anchored not stored refs pending

H_1-semistability for projective groups

Indranil Biswas, Mahan Mj

arxiv:1403.2029 v1 · 2014-03-09 · math.GT · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SAKW6RBYJMWKAVK2WPXLSSZGNH}

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	2026-05-18T00:53:51.575471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90156f44384b2ca0555ab3eeb94b2669d6da9fdd236cc17eeb8b914f21388dfc

Aliases

arxiv: 1403.2029 · arxiv_version: 1403.2029v1 · doi: 10.48550/arxiv.1403.2029 · pith_short_12: SAKW6RBYJMWK · pith_short_16: SAKW6RBYJMWKAVK2 · pith_short_8: SAKW6RBY

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/SAKW6RBYJMWKAVK2WPXLSSZGNH \
  | 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: 90156f44384b2ca0555ab3eeb94b2669d6da9fdd236cc17eeb8b914f21388dfc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42f8aaae88381a5582d9b86d16381e1623e1bbe4b1bc7399047471b5f8aecf26",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-03-09T06:24:47Z",
    "title_canon_sha256": "b7b6411015e8cb83cf7dc9d007ba828585639fab44a5d702bdb23cddbba2b579"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.2029",
    "kind": "arxiv",
    "version": 1
  }
}