Pith Number

pith:AHFWKTAZ

pith:2016:AHFWKTAZHDB6DGVGWXYTJ4JYHQ

not attested not anchored not stored refs pending

The moduli space of Type~A surfaces with torsion and non-singular symmetric Ricci tensor

Peter B Gilkey

arxiv:1605.06698 v1 · 2016-05-21 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AHFWKTAZHDB6DGVGWXYTJ4JYHQ}

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	2026-05-18T01:08:09.259311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01cb654c1938c3e19aa6b5f134f1383c3663500191cb3b7b37a72568bec96af2

Aliases

arxiv: 1605.06698 · arxiv_version: 1605.06698v1 · doi: 10.48550/arxiv.1605.06698 · pith_short_12: AHFWKTAZHDB6 · pith_short_16: AHFWKTAZHDB6DGVG · pith_short_8: AHFWKTAZ

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/AHFWKTAZHDB6DGVGWXYTJ4JYHQ \
  | 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: 01cb654c1938c3e19aa6b5f134f1383c3663500191cb3b7b37a72568bec96af2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae930f4e235131d197051c9aee622f2e86a95ed2fb10c038e009f7f840dda246",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-05-21T20:24:27Z",
    "title_canon_sha256": "e922f890094f3b8cd598de134896aa566d71b5354e789c5200e8f5b235e46665"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.06698",
    "kind": "arxiv",
    "version": 1
  }
}